Archiv für Naturgeschichte (Nicolai, 1863)

Archiv für Naturgeschichte (Nicolai, 1899)

Archiv für Naturgeschichte (Nicolai, 1901)

Archiv für Naturgeschichte (Nicolai, 1901)

Atlas of insects beneficial to forest trees - Starý, Bohumil. (Elsevier, 1988)

Bulletin - United States National Museum (G.P.O, 1914)

Bulletin - United States National Museum (G.P.O, 1914)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1920)

Bulletin of the British Museum (Natural History) Entomology - British Museum (Natural History) (The Museum, 1984)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1882)

Caspari Bauhini Pinax Theatri botanici : sive Index in Theophrasti, Dioscoridis, Plinii et botanicorum qui à seculo scripserunt opera : plantarum circiter sex millium ab ipsis exhibitarum nomina cum earundem synonymiis & differentiis methodice secundum genera & species proponens : opus XL. annorum ... - Bauhin, Caspar, 1560 -1624 (Impensis Joannis Regis, 1671)

Catalog of hymenoptera in America north of Mexico - Krombein, Karl V. (Smithsonian Institution Press, 1979)

Catalog of hymenoptera in America north of Mexico - Krombein, Karl V. (Smithsonian Institution Press, 1979)

Catalog of hymenoptera in America north of Mexico - Krombein, Karl V. (Smithsonian Institution Press, 1979)

Catalog of hymenoptera in America north of Mexico - Krombein, Karl V. (Smithsonian Institution Press, 1979)

Catalog of hymenoptera in America north of Mexico - Krombein, Karl V. (Smithsonian Institution Press, 1979)

Catalog of hymenoptera in America north of Mexico - Krombein, Karl V. (Smithsonian Institution Press, 1979)

Catalog of hymenoptera in America north of Mexico - Krombein, Karl V. (Smithsonian Institution Press, 1979)

Catalog of hymenoptera in America north of Mexico - Krombein, Karl V. (Smithsonian Institution Press, 1979)

Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus - Dalla Torre, K. W. von (Karl Wilhelm), 1850 -1928 (G. Engelmann, 1894)

Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus - Dalla Torre, K. W. von (Karl Wilhelm), 1850 -1928 (G. Engelmann, 1894)

Catalogus seminum in horto botanico Matritensi anno ... collectorum - Real Jardín Botánico (Spain) ([Real Jardín Botánico], 1909)

A directory of Illinois systematists and ecologists - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1986)

A directory of Illinois systematists and ecologists - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1986)

A directory of Illinois systematists, ecologists, and field biologists - Robertson, Kenneth Ray, 1941 - ([Section of Botany and Plant Pathology, Illinois Natural History Survey], 1989)

A directory of Illinois systematists, ecologists, and field biologists - Robertson, Kenneth Ray, 1941 - ([Section of Botany and Plant Pathology, Illinois Natural History Survey], 1989)

Entomologische berichten - Nederlandse Entomologische Vereniging (1987)

Entomologische berichten - Nederlandse Entomologische Vereniging (1987)

Entomologische berichten - Nederlandse Entomologische Vereniging (1987)

Entomologische berichten - Nederlandse Entomologische Vereniging (1987)

Entomologische berichten - Nederlandse Entomologische Vereniging (1987)

Entomologische berichten - Nederlandse Entomologische Vereniging (1987)

Entomologische berichten - Nederlandse Entomologische Vereniging (1987)

Entomologiske meddelelser - Entomologisk forening, Copenhagen. (Entomologisk forening [etc.], 1919)

Entomologiske meddelelser - Entomologisk forening, Copenhagen. (Entomologisk forening [etc.], 1919)

Entomologiske meddelelser - Entomologisk forening, Copenhagen. (Entomologisk forening [etc.], 1919)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1905)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1906)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1906)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1905)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1905)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1905)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1905)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1905)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1905)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1905)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1905)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1905)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1905)

Historia plantarum : species hactenus editas aliasque insuper multas noviter inventas & descriptas complectens - Tournefort, Joseph Pitton de, 1656 -1708 (Typis Mariæ Clark, prostant apud Henricum Faithorne [etc.], 1686)

Hymenoptera of America north of Mexico : synoptic catalog - Krombein, Karl V. (U.S. Dept. of Agriculture, 1951)

Hymenoptera of America north of Mexico : synoptic catalog - Krombein, Karl V. (U.S. Dept. of Agriculture, 1951)

Hymenoptera of America north of Mexico : synoptic catalog - Krombein, Karl V. (U.S. Dept. of Agriculture, 1951)

Hymenoptera of America north of Mexico : synoptic catalog - Krombein, Karl V. (U.S. Dept. of Agriculture, 1951)

Die hymenopteren Mitteleuropas nach ihren gattungen und zum grossen teil auch nach ihren arten analytisch - Schmiedeknecht, Otto, 1847 -1936 (G. Fischer, 1907)

Die hymenopteren Mitteleuropas nach ihren gattungen und zum grossen teil auch nach ihren arten analytisch - Schmiedeknecht, Otto, 1847 -1936 (G. Fischer, 1907)

1. Insects and health. 2. Dispersal of insects by air currents. 3. Three Japanese beetles new to New York state. 4. Observations and notes on injurious and other insects of New York state. 5. A report on the Hymenoptera of the New York state museum - Felt, Ephraim Porter, 1868 -1943 (University of the State of New York, 1928)

Die insekten Mitteleuropas insbesondere Deutschlands - Kieffer, J.-J. (Jean-Jacques), 1857 -1925 (Franckhsche verlagshandlung, 1914)

Die insekten Mitteleuropas insbesondere Deutschlands - Kieffer, J.-J. (Jean-Jacques), 1857 -1925 (Franckhsche verlagshandlung, 1914)

Journal of Hymenoptera research - International Society of Hymenopterists (International Society of Hymenopterists, 2006)

Journal of Hymenoptera research - International Society of Hymenopterists (International Society of Hymenopterists, 2008)

Memorie della Società entomologica italiana - Società entomologica italiana. (F.lli Pagano, 1990)

Memorie della Società entomologica italiana - Società entomologica italiana. (F.lli Pagano, 1990)

Memorie della Società entomologica italiana - Società entomologica italiana. (F.lli Pagano, 1990)

Memorie della Società entomologica italiana - Società entomologica italiana. (F.lli Pagano, 1990)

Mitteilungen der Münchner Entomologischen Gesellschaft - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 1991)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1928)

Nomenclator zoologicus. An alphabetical list of all generic names that have been employed by naturalists for recent and fossil animals from the earliest times to the close of the year 1879 ... - Scudder, Samuel Hubbard, 1837 -1911 (Govt. Print. Off, 1882)

Nomenclator zoologicus continens nomina systematica generum animalium tam viventium quam fossilium, secundum ordinem alphabeticum disposita, sub auspiciis et sumptibus C. R. Societatis zoologico-botanicae conscriptus a comite Augusto de Marschall - Marschall, August Friedrich, 1804 -1887 (typis C. Ueberreuter (M. Salzer), 1873)

Palaeontographica (Theodor Fischer, 1865)

Palaeontographica (Theodor Fischer, 1865)

Palaeontographica (Theodor Fischer, 1865)

Palaeontographica (Theodor Fischer, 1865)

Palaeontographica (Theodor Fischer, 1865)

Palaeontographica (Theodor Fischer, 1865)

Preliminary draft list of plant species for inclusion in a 'Responsibility List' of European plants - WCMC (WCMC, 1989)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1994)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2005)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1901)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1901)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1920)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1927)

Species des hyménoptères d'Europe & d'Algérie - André, Ernest, 1838 -1914 (1891)

Sprawozdanie Komisyi Fizyograficznej (1909)

Systême silurien du centre de la Bohême - Barrande, Joachim, 1799 -1883 (Chez l'auteur et éditeur, 1902)

Transactions of the Entomological Society of London - Royal Entomological Society of London (The Society, 1895)

Verhandlungen - Naturhistorischer Verein der Preussischen Rheinlande und Westfalens. (1844)

Verhandlungen - Naturhistorischer Verein der Preussischen Rheinlande und Westfalens. (1844)

Verhandlungen - Naturhistorischer Verein der Preussischen Rheinlande und Westfalens. (1844)

Verhandlungen - Naturhistorischer Verein der Preussischen Rheinlande und Westfalens. (1844)

Verhandlungen - Naturhistorischer Verein der Preussischen Rheinlande und Westfalens. (1844)

Wiener entomologische Zeitung (E. Reitter [etc.], 1898)

Wiener entomologische Zeitung (E. Reitter [etc.], 1898)

ZooKeys (Pensoft Publishers, 2015)