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  1. By: Estabrook, Leon M. (Leon Moyer),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1926.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Agriculture  Argentina  Paraguay  
  2. By: Wetmore, Alexander,
    Publication info: 1920
    Holding Institution: Smithsonian Institution Archives
    Subjects: Argentina  Buenos Aires  Calao (Ship)  Chaco  Field notes  Formosa  Las Palmas  migratory birds  Montevideo  Ornithology  Paraguay  Photograph albums  San Antonio, Cabo  United States National Museum  Uruguay  
    BHL Collections: Smithsonian Field Books collection
  3. By: Forel, Auguste,
    Publication info: Berlin :Nicolaische Verlags-Buchhandlung,1909
    Holding Institution: Smithsonian Libraries
    Subjects: Ants  Guatemala  Hymenoptera  Paraguay  
  4. By: Bertoni, Moisés S.
    Publication info: Asunción, etc.,1901-1922?
    Holding Institution: Smithsonian Libraries
    Subjects: Natural history  Paraguay  Periodicals  
    BHL Collections: Publicaciones en Español
  5. By: Bertoni, Arnaldo de Winkelried,
    Publication info: AsunciónTalleres nacionales de H. Kraus,1901.
    Holding Institution: Smithsonian Libraries
    Subjects: Birds  Paraguay  
    BHL Collections: Publicaciones en Español
  6. By: Fiebrig, Karl.
    Publication info: Jena :G. Fischer,1910.
    Holding Institution: Smithsonian Libraries
    Subjects: Beetles  Paraguay  Tortoise beetles  
  7. By: Parodi, Domingo
    Publication info: Buenos Aires :Imp. de la Nación,1892.
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Amaranthaceae  Botany  Paraguay  
    BHL Collections: Publicaciones en Español
  8. By: Azara, Félix de, - Moreau de Saint-Méry, M. L. E. (Médéric Louis Elie),
    Publication info: Paris :Charles Pougens, quai Voltaire, n.o 10,An IX (1801)
    Holding Institution: John Carter Brown Library (archive.org)
    Subjects: Imprint 1801  Mammals  Paraguay  
  9. By: Azara, Félix de, - Moreau de Saint-Méry, M. L. E. (Médéric Louis Elie),
    Publication info: Paris,Imprimerie de C. Pougens, Librairie de Madame Huzard,1801.
    Holding Institution: Duke University Libraries (archive.org)
    Subjects: Mammals  Paraguay  
  10. By: Charlevoix, Pierre-François-Xavier de, - Patterson, Jefferson, Mrs.,
    Publication info: A Paris :Chez Desaint ..., David ..., [et] Durand ...,1757.
    Holding Institution: Smithsonian Libraries
    Subjects: History  Jesuits  Paraguay  To 1811  
  11. By: Paynter, Raymond A.
    Edition: 2nd. ed.
    Publication info: Cambridge, Mass. :Obtainable from Bird Dept., Museum of Comparative Zoology, Harvard University,1989.
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Birds  Catalogs and collections  Gazetteers  Geographical distribution  Paraguay  
  12. By: Rodrigues, João Barbosa (João Barbosa),
    Publication info: Rio de Janeiro,Typ. Leuzinger,1900.
    Holding Institution: Smithsonian Libraries
    Subjects: Palms  Paraguay  
  13. By: Rodrigues, João Barbosa (João Barbosa),
    Publication info: Rio de Janeiro,Leuzinger,1899.
    Holding Institution: Smithsonian Libraries
    Subjects: Palms  Paraguay  
  14. By: Chodat, R. (Robert), - Hassler, Emile,
    Publication info: Genève,Impr. Romet[1898-1907]
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    Subjects: Paraguay  Plants  
    BHL Collections: New York Botanical Garden
  15. By: Montenegro, Pedro de,
    Publication info: Paraguay :s.n.,before 1715
    Holding Institution: John Carter Brown Library (archive.org)
    Subjects: Botany  Glossaries, vocabularies, etc  Guarani language  Imprint 1715  Indian linguistics  Jesuits  Manuscripts  Manuscripts, Spanish  Medicinal plants  Natural history  Paraguay  South America  Spanish  Tupi language  
    BHL Collections: Publicaciones en Español
  16. By: Hoyt, Avery S. - United States. Office of Experiment Stations.
    Edition: Rev.
    Publication info: Washington, D.C. :United States Department of Agriculture, Bureau of Entomology and Plant Quarantine,[1949]
    Holding Institution: University of Florida, George A. Smathers Libraries
    Subjects: Law and legislation  Paraguay  Plant quarantine
    BHL Collections: Expanding Access to Biodiversity Literature
  17. By: Azara, Félix de, - Walkenaer, C. A. (Charles Athanase),
    Publication info: Leipzig :Bei J.L. Hinrich's,1810.
    Holding Institution: Smithsonian Libraries
    Subjects: Description and travel  Indians of South America  Natural history  Paraguay  
  18. By: Jardín Botánico (Asunción, Paraguay) - Museo de Historia Natural del Paraguay.
    Publication info: Asunción :Jardín Botánico y Museo de Historia Natural del Paraguay,1921-
    Holding Institution: Smithsonian Libraries
    Subjects: Botany  Natural history  Paraguay  Periodicals  
    BHL Collections: Latino Natural History | Publicaciones en Español
  19. By: Masterman, George Frederick.
    Publication info: Buenos Aires,Impr. Americana,1870.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: 1865-1870  Description and travel  Paraguay  Paraguayan war  
    BHL Collections: Publicaciones en Español
  20. By: Wetmore, Alexander,
    Publication info: 1920-1921
    Holding Institution: Smithsonian Institution Archives
    Subjects: Argentina  Black-and-white photographs  Buenos Aires  Chaco  Chile  Field notes  Formosa  migratory birds  Ornithology  Paraguay  Reports  Rocha  South America  United States Dept. of Agriculture  Uruguay
    BHL Collections: Smithsonian Field Books collection
  21. By: Wetmore, Alexander,
    Publication info: 1920-1921
    Holding Institution: Smithsonian Institution Archives
    Subjects: Argentina  Asuncion  Botany  Brazil  Buenos Aires  Chaco  Chile  Clippings (information artifacts)  Correspondence  Field notes  Memorabilia  migratory birds  Ornithology  Paraguay  South America  Tucuman  United States Dept. of Agriculture  Uruguay
    BHL Collections: Smithsonian Field Books collection
  22. By: Bonvicino, Cibele R. (Cibele Rodrigues) - D'Andrea, Paulo Sérgio. - Lemos, Elba M. S. - Weksler, Marcelo.
    Publication info: 2017-05-02
    Holding Institution: American Museum of Natural History Library
    Subjects: Brazil  Hantaviruses  Mice as carriers of disease  Muridae  Oligoryzomys mattogrossae  Paraguay  
  23. By: Daday, Eugen von, - Michaelsen, W. (Wilhelm),
    Publication info: Stuttgart,E. Nägele,1905.
    Holding Institution: Smithsonian Libraries
    Subjects: Freshwater animals  Naididae  Paraguay  
  24. By: Azara, Félix de, - Cuvier, Georges, baron, - Sonnini, C. S. (Charles Sigisbert), - Walckenaer, C. A. (Charles Athanase),
    Publication info: Paris :Dentu,1809.
    Holding Institution: University of Toronto - Robarts Library
    Subjects: 1746-1821  Argentina  Azara, Felix de,  Birds  Paraguay  
  25. By: Azara, Félix de,
    Publication info: Paris :Dentu,1809.
    Holding Institution: Smithsonian Libraries
    Subjects: Birds  Description and travel  Indians of South America  Natural history  Paraguay  
  26. By: Azara, Félix de,
    Publication info: Paris,Dentu,1809.
    Holding Institution: Brown University Library (archive.org)
    Subjects: Birds  Description and travel  Indians of South America  Natural history  Paraguay  
    BHL Collections: Charles Darwin's Library
  1. By: Lorenzo,Laura E - Messuti,María I
    Type: Article
    In: Darwiniana
    Date: 2009-12-01
    Subjects: Argentina  Chile  Dothideomycetes  Hysterographium  Paraguay
  2. By: Tierno de Figueroa,J. Manuel - Padial,José M.
    Type: Article
    In: El hornero
    Date: 2005-12-01
    Subjects: abundância  Chaco  Diversidad  Pantanal  Paraguay  
  3. By: Ronderos,María M. - Spinelli,Gustavo R. - Díaz,Florentina
    Type: Article
    In: Revista de la Sociedad Entomológica Argentina
    Date: 2004-07-01
    Subjects: adult  larva  Palpomyia guarani  Paraguay  Pupa  SEM  
  4. By: Bodrati,Alejandro - Areta,Juan Ignacio
    Type: Article
    In: El hornero
    Date: 2010-12-01
    Subjects: Argentina  Caprimulgus maculicaudus  Chaco  Chordeiles acutipennis  distribución  Formosa  identificación  Misiones  Paraguay  Salta  
  5. By: Vilela,Carlos R. - Valente,Vera L. S. - Basso-da-Silva,Luciano
    Type: Article
    In: Revista Brasileira de Entomologia
    Date: 2004-06-01
    Subjects: Brazil  Neotropical region  new species  Paraguay  tripunctata group  
  6. By: Lesterhuis,A. J. - Clay,R. P.
    Type: Article
    In: El hornero
    Date: 2003-08-01
    Subjects: Calidris alpina  Dunlin  first record  Paraguay  South American records  
  7. By: de la Sancha,Noé - Solari,Sergio - Owen,Robert D.
    Type: Article
    In: Mastozoología neotropical
    Date: 2007-12-01
    Subjects: Paraguay  
  8. By: Scott Jr.,Norman J. - Giraudo,Alejandro R. - Scrocchi,Gustavo - Aquino,Aida Luz - Cacciali,Pier - Motte,Martha
    Type: Article
    In: Papéis Avulsos de Zoologia (São Paulo)
    Date: 2006-01-01
    Subjects: Argentina  Boiruna  Clelia  colubrids  Paraguay  pseudoboines  
  9. By: Yahnke,Christopher J.
    Type: Article
    In: Mastozoología neotropical
    Date: 2006-06-01
    Subjects: Chaco  Habitat selection  Natural history  Paraguay  small mammals
  10. By: Rotman,Alicia D.
    Type: Article
    In: Darwiniana
    Date: 2006-12-01
    Subjects: Argentina  Lantana  Paraguay  Verbenaceae
  11. By: Luna,Javier A - Morales,Matías - Fortunato,Renée
    Type: Article
    In: Boletín de la Sociedad Argentina de Botánica
    Date: 2012-12-01
    Subjects: Leguminosae  Mimosa  Mimosa diversipila  Paraguay
  12. By: Stevens,Richard D. - LÓPEZ-GONZÁLEZ,Celia - McCulloch,Eve S. - Netto,Flavia
    Type: Article
    In: Mastozoología neotropical
    Date: 2010-06-01
    Subjects: forest  Interior Atlantic  Myotis  Paraguay  range extension  
  13. By: Ortiz, Rosa - Nee, Michael
    Type: Article
    In: PhytoKeys
    Volume: 38
    Date: 2014
    Page Range: 89-99
    Publication info: Pensoft Publishers 2014
    Subjects: Bolivia  Cissampelos  Conservation status  IUCN  Menispermaceae  Paraguay  Sand dunes  
  14. By: Saunders,Janice G.
    Type: Article
    In: Darwiniana
    Date: 2005-12-01
    Subjects: Argentina  Byttnerioideae  Hermannieae  Malvaceae s.l  Paraguay  Pollen morphology  Venezuela  Waltheria  
  15. By: Michlig,Andrea - Ferraro,Lidia I.
    Type: Article
    In: Darwiniana
    Date: 2012-12-01
    Subjects: áreas protegidas  Argentina  líquenes  Paraguay  
  16. By: Slanis,Alberto Carlos - del Valle Bulacio,Eva
    Type: Article
    In: Boletín de la Sociedad Argentina de Botánica
    Date: 2008-07-01
    Subjects: Argentina  Commelina  Commelinaceae  Paraguay  Taxonomía
  17. By: Teta,Pablo - Contreras,Julio R.
    Type: Article
    In: El hornero
    Date: 2003-08-01
    Subjects: hábitos alimentarios  Lechuza de Campanario  Paraguay  Strigiformes  
  18. By: Callaghan, Curtis J. (Curtis John)
    Type: Article
    In: Zoologia (Curitiba)
    Date: 2010-06-01
    Subjects: Biology  Brazil  Distribution  Paraguay  Planalto Central  
  19. By: Gutiérrez,Alejandra - Barboza,Gloria E. - Mentz,Lilian A.
    Type: Article
    In: Darwiniana
    Date: 2006-12-01
    Subjects: Argentina  Paraguay  Solanum
  20. By: Sinelli,Gustavo R. - Cazorla,Carla G.
    Type: Article
    In: Revista de la Sociedad Entomológica Argentina
    Date: 2005-12-01
    Subjects: Argentina  nuevos registros  Paraguay  sinonímia  Stilobezzia (Eukraiohelea)  
  21. By: Vogler,Roberto E. - Beltramino,Ariel A. - Gutiérrez-Gregoric,Diego E. - Peso,Juana G. - Griffin,Miguel - Rumi,Alejandra
    Type: Article
    In: Revista mexicana de biodiversidad
    Date: 2012-12-01
    Subjects: Argentina  Aylacostoma  freshwater  native species  Paraguay  TPS  
  22. By: Curran,Stephen S.
    Type: Article
    In: Revista mexicana de biodiversidad
    Date: 2008-08-01
    Subjects: Creptotrema lamothei n. sp  Creptotrema sucumbiosa n. sp  Ecuador  Paraguay
  23. By: Gonzalez, Victor - Griswold, Terry
    Type: Article
    In: ZooKeys
    Volume: 120
    Date: 2011
    Page Range: 9-25
    Publication info: Pensoft Publishers 2011
    Subjects: Anthophila  Ecuador  Meliponini  Neotropics  Paraguay  stingless bees  taxonomy
  24. By: Klavins,Juan - Bodrati,Alejandro
    Type: Article
    In: El hornero
    Date: 2007-08-01
    Subjects: Argentina  expansión  Fluvicola nengeta  nuevo registro  Paraguay  Viudita Enmascarada