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  1. Die Amphorideen und Cystoideen : beiträge zur Morphologie und Phylogenie der Echinodermen / von Ernst Haeckel.
    By: Haeckel, Ernst,
    Publication info: Leipzig :W. Engelmann,1896.
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
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  2. Anthropogenie : oder, Entwickelungsgeschichte des Menschen : gemeinverständlich wissenschaftliche Vorträge über die Grundzüge der menschlichen Keimes- und Stammes-Geschichte /
    By: Haeckel, Ernst, - Royal College of Physicians of Edinburgh.
    Edition: 2. unveränderte Aufl.
    Publication info: Leipzig :Engelmann,1874.
    Holding Institution: Royal College of Physicians in Edinburgh (archive.org)
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  3. Anthropogenie, oder, Entwickelungsgeschichte des Menschen : Keimes- und Stammes-Geschichte /
    By: Haeckel, Ernst, - Royal College of Physicians of Edinburgh.
    Edition: 4., umgearb. und verm. Aufl.
    Publication info: Leipzig :W. Engelmann,1891.
    Holding Institution: Royal College of Physicians in Edinburgh (archive.org)
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  4. Anthropogenie, oder, Entwickelungsgeschichte des Menschen : Keimes- und Stammes-Geschichte /
    By: Haeckel, Ernst, - Royal College of Physicians of Edinburgh.
    Edition: 4., umgearb. und verm. Aufl.
    Publication info: Leipzig :W. Engelmann,1891.
    Holding Institution: Royal College of Physicians in Edinburgh (archive.org)
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  5. Anthropogenie; oder, Entwickelungsgeschichte des menschen, Keimes- und stammesgeschichte,
    By: Haeckel, Ernst,
    Edition: 3. umgearb. aufl.
    Publication info: Leipzig,W. Engelmann,1877.
    Holding Institution: MBLWHOI Library
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  6. Anthropogenie; oder, Entwickelungs-geschichte des Menschen.
    By: Haeckel, Ernst,
    Edition: 6. verb. Aufl.
    Publication info: Leipzig,W. Engelmann,1910.
    Holding Institution: Smithsonian Libraries
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  7. Anthropogenie; oder, Entwickelungsgeschichte des menschen. Keimes- und stammesgeschichte,
    By: Haeckel, Ernst,
    Edition: 4. umgearb. und verm. aufl. ...
    Publication info: Leipzig :W. Engelmann,1891.
    Holding Institution: Boston Public Library (archive.org)
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  8. Arabische Korallen : ein Ausflug nach den Korallenbänken des Rothen Meeres und ein Blick in das Leben der Korallenthiere : populäre Vorlesung mit wissenschaftlichen Erlaüterungen
    By: Haeckel, Ernst,
    Publication info: Berlin :G. Reimer,1876.
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
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  9. Atlas of applied (topographical) human anatomy for students and practitioners,
    By: Bardeleben, Karl Heinrich von, - Haeckel, Ernst,
    Publication info: London :Rebman limited; New York, Rebman company,1906.
    Holding Institution: University of California Libraries (archive.org)
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  10. Aus Insulinde; malayische Reisebriefe
    By: Haeckel, Ernst,
    Publication info: Bonn :E. Strauss,1901.
    Holding Institution: University of California Libraries (archive.org)
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  11. The evolution of man : a popular exposition of the principal points of human ontogeny and phylogeny.
    By: Haeckel, Ernst,
    Edition: 3d ed.
    Publication info: New York :D. Appleton,1879.
    Holding Institution: Princeton Theological Seminary Library (archive.org)
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  12. The evolution of man : a popular exposition of the principal points of human ontogeny and phylogeny /
    By: Haeckel, Ernst,
    Publication info: New York :Appleton,1879.
    Holding Institution: MBLWHOI Library
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  13. The evolution of man:
    By: Haeckel, Ernst,
    Publication info: New York :D. Appleton and company,1897.
    Holding Institution: University of California Libraries (archive.org)
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  14. The evolution of man: a popular exposition of the principal points of human ontogeny and phylogene.
    By: Haeckel, Ernst,
    Publication info: New York,Fowle[1896]
    Holding Institution: Smithsonian Libraries
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  15. The evolution of man: a popular exposition of the principal points of human ontogeny and phylogeny.
    By: Haeckel, Ernst,
    Publication info: London,C. K. Paul & co.,1879.
    Holding Institution: Cornell University Library
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  16. The evolution of man: a popular exposition of the principal points of human ontogeny and phylogeny.
    By: Haeckel, Ernst,
    Publication info: New York :D. Appleton and company,1898.
    Holding Institution: University of California Libraries (archive.org)
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  17. The evolution of man: a popular exposition of the principal points of human ontogeny and phylogeny.
    By: Haeckel, Ernst,
    Publication info: London :Kegan Paul, Trench & Co.,1883.
    Holding Institution: University of California Libraries (archive.org)
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  18. The evolution of man: a popular exposition of the principal points of human ontogney phylogeny /
    By: Haeckel, Ernst,
    Edition: [3rd ed.]
    Publication info: Akron, Ohio :Werner Co.,[1876]
    Holding Institution: MBLWHOI Library
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  19. The evolution of man: a popular exposition of the principal points of human ontogeny and phylogeny. From the German of Ernst Haeckel.
    By: Haeckel, Ernst,
    Publication info: New York,D. Appleton and Co.,1897.
    Holding Institution: MBLWHOI Library
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  20. The evolution of man; a popular exposition of the principal points of human ontogeny and phylogeny.
    By: Haeckel, Ernst,
    Publication info: New YorkD. Appleton1879
    Holding Institution: University of Toronto - Robarts Library
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  21. The evolution of man; a popular scientific study /
    By: Haeckel, Ernst, - McCabe, Joseph,
    Publication info: New York,P. Eckler, publisher,[1906]
    Holding Institution: Internet Archive
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  22. The evolution of man; a popular scientific study,
    By: Haeckel, Ernst, - McCabe, Joseph,
    Publication info: New York,G. P. Putnam,1905.
    Holding Institution: NCSU Libraries (archive.org)
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  23. Die familie der rüsselquallen (Geryonida). Eine monographie,
    By: Haeckel, Ernst,
    Publication info: Leipzig,W. Engelmann,1865.
    Holding Institution: MBLWHOI Library
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  24. Freedom in science and teaching.
    By: Haeckel, Ernst,
    Publication info: New York,D. Appleton and company,1879.
    Holding Institution: Boston College Libraries (archive.org)
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  25. Freedom in science and teaching; from the German,
    By: Haeckel, Ernst,
    Publication info: London,Paul,1879.
    Holding Institution: University of Toronto - Robarts Library
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  26. Generelle Morphologie der Organismen : allgemeine Grundzuge der organischen Formen-Wissenschaft, mechanisch begrundet durch die von Charles Darwin reformirte Descendenz-Theorie /
    By: Haeckel, Ernst, - Royal College of Physicians of London.
    Publication info: Berlin :Georg Reimer,1866.
    Holding Institution: Royal College of Physicians, London (archive.org)
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  27. Generelle Morphologie der Organismen : allgemeine Grundzuge der organischen Formen-Wissenschaft, mechanisch begrundet durch die von Charles Darwin reformirte Descendenz-Theorie /
    By: Haeckel, Ernst, - Royal College of Physicians of London.
    Publication info: Berlin :Georg Reimer,1866.
    Holding Institution: Royal College of Physicians, London (archive.org)
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  28. Generelle morphologie der organismen. Allgemeine grundzüge der organischen formen-wissenschaft, mechanisch begründet durch die von Charles Darwin reformirte descendenztheorie,
    By: Haeckel, Ernst,
    Publication info: Berlin,G. Reimer,1866.
    Holding Institution: MBLWHOI Library
    BHL Collections: Charles Darwin's Library
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  29. The history of creation, or, The development of the earth and its inhabitants by the action of natural causes : a popular exposition of the doctrine of evolution in general, and of that of Darwin, Goethe and Lamarck in particular /
    By: Haeckel, Ernst, - Lankester, E. Ray (Edwin Ray), Sir,
    Publication info: New York :D. Appleton and Company,1880.
    Holding Institution: MBLWHOI Library
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  30. The history of creation, or, The development of the earth and its inhabitants by the action of natural causes : doctrine of evolution in general, and of that of Darwin, Goethe, and Lamarck in particular / from the German of Ernst Haeckel ; the translation revised by E. Ray Lankester.
    By: Haeckel, Ernst, - Lankester, E. Ray (Edwin Ray), Sir,
    Publication info: London :Henry S. King,1876.
    Holding Institution: Natural History Museum Library, London
    BHL Collections: Charles Darwin's Library
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  31. The history of creation; or, The development of the earth and its inhabitants by the action of natural causes : a popular exposition of the doctrine of evolution in general, and of that of Darwin, Goethe and Lamarck in particular /
    By: Haeckel, Ernst,
    Publication info: New York :D. Appleton,1876.
    Holding Institution: University of Toronto - Gerstein Science Information Centre
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  32. Indische Reisebriefe /
    By: Haeckel, Ernst,
    Publication info: Berlin :Verlag von Gebrüder Paetel,1883.
    Holding Institution: University of California Libraries (archive.org)
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  33. Die Kalkschwämme. Eine Monographie ...
    By: Haeckel, Ernst,
    Publication info: Berlin,G. Reimer,1872.
    Holding Institution: Smithsonian Libraries
    BHL Collections: Charles Darwin's Library
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  34. Die Kalkschwa¨mme. Eine Monographie
    By: Haeckel, Ernst,
    Publication info: Berlin,G. Reimer,1872.
    Holding Institution: American Museum of Natural History Library
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  35. Kunstformen der Natur /
    By: Haeckel, Ernst, - Bibliographisches Institut (Leipzig, Germany)
    Publication info: Leipzig und Wien :Verlag des Bibliographischen Instituts,1899-1904.
    Holding Institution: Smithsonian Libraries
    BHL Collections: Under the Sea: World Oceans Day
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  36. Kunstformen der Natur.
    By: Haeckel, Ernst, - Bibliographisches Institut Leipzig.
    Publication info: Leipzig und Wien,Verlag des Bibliographischen Instituts,1904.
    Holding Institution: University Library, University of North Carolina at Chapel Hill (archive.org)
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  37. Kunstformen der Natur.
    By: Haeckel, Ernst, - Bibliographisches Institut Leipzig.
    Publication info: Leipzig und Wien :Verlag des Bibliographischen Instituts,1904.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    BHL Collections: Blog Features | Top BHL Partner Content
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  38. Monographie der Medusen /
    By: Haeckel, Ernst, - Challenger Expedition
    Publication info: Jena :G. Fischer,1879-1881.
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
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  39. Natur und Mensch;
    By: Haeckel, Ernst, - Neumann, Carl W.
    Publication info: Leipzig,Reclam[pref. 1912]
    Holding Institution: MBLWHOI Library
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  40. Natürliche Schöpfungs-Geschichte : gemeinverständliche wissenschaftliche Vorträge über die Entwickelungs-Lehre /
    By: Haeckel, Ernst (Ernst Heinrich Philipp August), - Haeckel, Ernst,
    Edition: 9., umgearb. und vermehrte Aufl.
    Publication info: Berlin :Georg Reimer,1898.
    Holding Institution: Naturalis Biodiversity Center
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  41. Natürliche schöpfungsgeschichte : Gemeinverständliche wissenschaftliche vorträge über die entwickelungslehre im allgemeinen und diejenige von Darwin, Goethe und Lamarck im besonderen /
    By: Haeckel, Ernst,
    Edition: 8. umgearb. und verm. aufl.
    Publication info: Berlin :George Reimer,1889.
    Holding Institution: MBLWHOI Library
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  42. Natürliche Schöpfungsgeschichte. Gemeinverständliche wissenschaftliche Vorträge über die Entwicklungslehre ... über die Anwendung derselben auf den Ursprung des Menschen und andere damit zusammenhängende Grundfragen der Naturwissenschaft.
    By: Haeckel, Ernst,
    Publication info: Berlin,1868.
    Holding Institution: Natural History Museum Library, London
    BHL Collections: Charles Darwin's Library
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  43. Natürliche Schöpfungsgeschichte. Gemeinverständliche wissenschaftliche Vorträge über die Entwickelungslehre im Allgemeinen und diejenige von Darwin, Goethe und Lamarck und Besonderen.
    By: Haeckel, Ernst,
    Edition: 4. verb. Aufl. mit 16 Tafeln, 10 Holzschnitten, 18 Stammbäumen und 19 systematischen Tabellen.
    Publication info: Berlin,G. Reimer,1873.
    Holding Institution: MBLWHOI Library
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  44. Planktonic studies: a comparative investigation of the importance and constitution of the pelagic fauna and flora,
    By: Haeckel, Ernst, - Field, George Wilton.
    Publication info: Washington,Govt. Print. Off.,1893.
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: New York Botanical Garden
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  45. Plankton-Studien. Vergleichende Untersuchungen über die Bedeutung und Zusammensetzung der pelagischen Fauna und Flora.
    By: Haeckel, Ernst,
    Publication info: JenaG. Fischer1890
    Holding Institution: University of Toronto - Gerstein Science Information Centre
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  46. Prinzipien der generellen Morphologie der Organismen. Wörtlicher Abdruck eines Teiles der 1866 erschienen Generellen Morphologie (allgemeine Grundzüge der organischen Formen-Wissenschaft, mechanisch begründet durch die von Charles Darwin reformierte Deszendenz-Theorie).
    By: Haeckel, Ernst,
    Publication info: Berlin,G. Reimer,1906.
    Holding Institution: MBLWHOI Library
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  47. Das protistenreich. Eine populäre uebersicht über das formengebiet der niedersten lebewesen. Mit einem wissenschaftlichen anhange: System der protisten.
    By: Haeckel, Ernst,
    Publication info: Leipzig,E. Günther,1878.
    Holding Institution: University of Michigan (archive.org)
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  48. Die Radiolarien (Rhizopoda radiaria) : eine Monographie /
    By: Haeckel, Ernst,
    Publication info: Berlin :G. Reimer,1862-1888.
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
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  49. The riddle of the universe at the close of the nineteenth century.
    By: Haeckel, Ernst, - McCabe, Joseph,
    Publication info: London :Watts & Co.,1901.
    Holding Institution: University of California Libraries (archive.org)
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  50. Sandalion eine offene Antwort auf die Fälschungs-anklagen der Jesuiten,
    By: Haeckel, Ernst,
    Publication info: Frankfurt a.M.,Neuer Frankfurter Verlag,1910.
    Holding Institution: Columbia University Libraries (archive.org)
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  51. Sandalion; eine offene Antwort auf die Falschungs-anklagen der Jesuiten,
    By: Haeckel, Ernst,
    Publication info: Frankfurt a.M.,Neuer Frankfurter Verlag,1910.
    Holding Institution: MBLWHOI Library
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  52. Studien zur Gastraea-theorie /
    By: Haeckel, Ernst,
    Publication info: Jena :Hermann Dufft,1877.
    Holding Institution: MBLWHOI Library
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  53. Systematische Phylogenie ... /
    By: Haeckel, Ernst,
    Publication info: Berlin :G. Reimer,1895.
    Holding Institution: Smithsonian Libraries
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  54. Systematische phylogenie /
    By: Haeckel, Ernst,
    Publication info: Berlin :Georg Reimer,1894-96.
    Holding Institution: MBLWHOI Library
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  55. Text-book of comparative anatomy,
    By: Lang, Arnold, - Bernard, Henry Meyners. - Bernard, Matilda. - Haeckel, Ernst,
    Publication info: London,Macmillan,1891-96.
    Holding Institution: Cornell University Library
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  56. Text-book of comparative anatomy,
    By: Lang, Arnold, - Bernard, Henry Meyners. - Bernard, Matilda, - Haeckel, Ernst,
    Publication info: New York,Macmillan,1891-96
    Holding Institution: University of California Libraries (archive.org)
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  57. Text-book of comparative anatomy,
    By: Lang, Arnold, - Bernard, Henry Meyners - Bernard, Matilda - Haeckel, Ernst,
    Publication info: London,Macmillan and Co.,1891-96.
    Holding Institution: Smithsonian Libraries
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  58. Text-book of comparative anatomy,
    By: Lang, Arnold, - Bernard, Henry Meyners. - Bernard, Matilda. - Haeckel, Ernst,
    Publication info: London,Macmillan and Co.,1891-96.
    Holding Institution: MBLWHOI Library
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  59. Ueber die gewebe des flusskrebses.
    By: Haeckel, Ernst,
    Publication info: Berlin,G. Eichler,1857
    Holding Institution: Smithsonian Libraries
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  60. Was wir Ernst Haeckel Verdanken. Ein buch der Verehrung und Dankbarkeit.
    By: Schmidt, Heinrich, - Haeckel, Ernst,
    Publication info: Leipzig,Verlag Unesma G.m.b.H.,1914.
    Holding Institution: MBLWHOI Library
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  61. Das Weltbild von Darwin und Lamarck; Festrede zur hundert jährigen Geburtstag-Feier von Charles Darwin am 12. Februar 1909, gehalten im Volkshause zu Jena.
    By: Haeckel, Ernst,
    Publication info: Leipzig,Kröner,1909.
    Holding Institution: MBLWHOI Library
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  62. The wonders of life; a popular study of biological philosophy,
    By: Haeckel, Ernst, - McCabe, Joseph,
    Publication info: London,Harper & brothers,1905.
    Holding Institution: Cornell University Library
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  63. The wonders of life; a popular study of biological philosophy,
    By: Haeckel, Ernst, - McCabe, Joseph,
    Publication info: New York,Harper,1905.
    Holding Institution: NCSU Libraries (archive.org)
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  64. Ziele und Wege der heutigen Entwickelungsgeschichte /
    By: Haeckel, Ernst,
    Publication info: Jena :H. Dufft,1875.
    Holding Institution: Francis A. Countway Library of Medicine (archive.org)
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  1. I.—On the organization of Sponges, and their relationship to the corals
    By: Haeckel, Ernst,
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 5
    Series: 4
    Date: 1870
    Page Range: 1--13
    Publication info: London,Taylor and Francis, Ltd.
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  2. XIII.—On the organization of sponges, and their relationship to the corals
    By: Haeckel, Ernst,
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 5
    Series: 4
    Date: 1870
    Page Range: 107--120
    Publication info: London,Taylor and Francis, Ltd.
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  3. XLIX.—On the Calcispongiæ, their position in the animal kingdom, and their relation to the theory of descendence
    By: Haeckel, Ernst,
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 11
    Series: 4
    Date: 1873
    Page Range: 421--430
    Publication info: London,Taylor and Francis, Ltd.
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  4. XLVI.—On a new form of alternation of generations in the Medusæ, and on the relationship of the Geryonidæ and Æginidæ
    By: Haeckel, Ernst,
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 15
    Series: 3
    Date: 1865
    Page Range: 437--444
    Publication info: London,Taylor and Francis, Ltd.
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  5. XVIII.—Prodromus of a system of the calcareous sponges
    By: Haeckel, Ernst,
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 5
    Series: 4
    Date: 1870
    Page Range: 176--191
    Publication info: London,Taylor and Francis, Ltd.
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  6. XXVII.—On the Calcispongiæ, their position in the animal kingdom, and their relation to the theory of descendence
    By: Haeckel, Ernst,
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 11
    Series: 4
    Date: 1873
    Page Range: 241--262
    Publication info: London,Taylor and Francis, Ltd.
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