Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1942)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1943)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1954)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1964)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1965)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1966)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1888)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1891)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1907)

Procès-verbaux - Société Linnéenne de Bordeaux. (1929)

Prodromo della storia naturale generale e comparata d'Italia ... - Marmocchi, Francesco Constantino, 1805 -1858 (Società editrice fiorentina, 1844)

A progress report on the investigations of the European corn borer - Caffrey, D. J. (U.S. Dept. of Agriculture, 1927)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1875)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1880)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1929)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1933)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1971)

The pterophoridae of North America - Fernald, C. H. (Charles Henry), 1838 -1921 (Wright, 1898)

Rapport présenté à la Chambre de commerce de Lyon par la Commission administrative - Laboratoire d'études de la soie. (A. Rey, 1897)

Rapport présenté à la Chambre de commerce de Lyon par la Commission administrative - Laboratoire d'études de la soie. (A. Rey, 1906)

Reading Naturalist. Reading - Reading Natural History Society.

Recensio critica lepidopterorum Musei Ludovicae Ulricae quae descripsit Carolus A Linné - Linné, Carl von, 1707 -1778 (P.A. Norstedt & Söner, 1882)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1935)

Recreative Science (1860)

Reise in Brasilien : auf Befehl Sr. Majestät Maximilian Joseph I., Königs von Baiern, in den Jahren 1817 bis 1820 gemacht und beschrieben - Spix, Johann Baptist von, 1781 -1826 (M. Lindauer, 1831)

Reise nach Brasilien in den Jahren 1815 bis 1817 - Wied, Maximilian, Prinz von, 1782 -1867 (Gedruckt und verlegt bey H.L. Brönner, 1820)

Reisen in Britisch-Guiana in den Jahren 1840-1844 : nebst einer Fauna und Flora Guiana's nach Vorlagen von Johannes Müller, Ehrenberg, Erichson, Klotzsch, Troschel, Cabanis und Andern - Ehrenberg, Christian Gottfried, 1795 -1876 (J. J. Weber, 1847)

Repertorium annuum literaturae botanicae periodicae - Bemmelen, J. A. van. (Erven Loosjes, 1873)

Repertorium commentationum a societatibus litterariis editarum - Reuss, Jeremias David, 1750 -1837 (apud Henricum Dieterich, 1801)

Repertorium entomologicum - Deutsche Entomologische Gesellschaft. (Friedländer & Sohn, 1924)

Repertorium specierum novarum regni vegetabilis. Beihefte (Verlag des Repertoriums, 1919)

Report of the Commissioner of Agriculture ... - United States. Department of Agriculture. (G.P.O, 1884)

Report of the State board of agriculture on the work of extermination of the gypsy moth - Massachusetts. State board of agriculture. (Wright & Potter printing co., state printers, 1893)

Report of the State Entomologist on injurious and other insects of the state of New York - Felt, Ephraim Porter, 1868 -1943 (Weed, Parsons and Co.; University of the State of New York, 1889)

Report of the State Entomologist on injurious and other insects of the state of New York - Felt, Ephraim Porter, 1868 -1943 (Weed, Parsons and Co.; University of the State of New York, 1898)

Report of the State Entomologist on the noxious and beneficial insects of the state of Illinois - Illinois State Entomologist. (State Entomologist, 1909)

Report of work of the Experiment Station of the Hawaiian Sugar Planters' Association. Division of Entomology bulletin - Hawaiian Sugar Planters' Association. Division of Entomology. (Hawaiian Sugar Planters' Association, 1909)

Report on the United States and Mexican boundary survey :made under the direction of the secretary of the Interior - Emory, William H. 1811 -1887 (C. Wendell, printer, 1859)

Report upon cotton insects, prepared under the direction of the commissioner of agriculture in pursuance of an act of Congress approved June 19, 1878 - Comstock, John Henry, 1849 -1931 (Gov't. print. off, 1879)

Reports on the noxious, beneficial and other insects, of the state of New York. Made to the State agricultural society, pursuant to an annual appropriation for this purpose from the legislature of the state - Comstock, Anna Botsford, 1854 -1930 (C. Van Benthuysen, printer [etc.], 1856)

Resa genom Umeå Lappmarker i Vesterbottens län : förrättad år 1832 - Zetterstedt, Johan Wilhelm, 1785 -1874 (N.M. Lindh, 1833)

En resa til Norra America - Kalm, Pehr, 1716 -1779 (Tryckt på L. Salvii kostnad, 1753)

Resa uti Europa, Africa, Asia : förrättad åren 1770-1779 - Thunberg, Carl Peter, 1743 -1828 (Tryckt hos directeur. Joh. Edman, 1793)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1915)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1917)

Revision del género Ecpantheria - Burmeister, Hermann, 1807 -1892 (s. n, 1883)

A revision of the American species of Deilinia (Lepidoptera, Geometridae) - Rindge, Frederick H. 1921 -1996 (American Museum of Natural History, 1956)

A revision of the lepidopterous family Sphingidae. Novitates zoologicae. Vol. IX. Supplement, v. 2 - Rothschild, Lionel Walter Rothschild, Baron, 1868 -1937 (Printed by Hazell, Watson & Viney, Ld, 1903)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 2003)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 2005)

Revue scientifique du Bourbonnais et du centre de la France - Olivier, Ernest, 1844 -1914 (Impr. É. Auclaire, 1888)

Richardiana (Tropicalia, 2015)

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1892)

Rivista Periodica dei Lavori della I.R. Accademia di Scienze, Lettere ed Arti di Padova - Accademia di scienze, lettere ed arti di Padova. (1858)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1905)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1902)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1908)

Ruwenzori Expedition 1952 - British Museum (Natural History) (British Museum, 1961)

Saggio intorno agli insetti nocivi ai vegetabili economici, agli animali utili all' agricoltura, ed ai prodotti dell' economia rurale. Di G. Bayle-Barelle - Bayle-Barelle, Giuseppe, 1768 -1811 (1809)

Sammlung europäischer Schmetterlinge / errichtet von Jacob Hübner in Augsburg - Geyer, Carl, 1802 -1899 (s.n, 1793)

Sammlung naturhistorischer und physikalischer Aufsäze - Schrank, Franz von Paula, 1747 -1835 (Raspe, 1796)

The Sarawak Museum journal - Sarawak Museum. (Sarawak Museum, 1925)

Die schmetterlinge der Philippinischen inseln. Beitrag zur indo-malayischen lepidopteren-fauna - Semper, Georg, 1837 -1909 (C. W. Kreidel, 1898)

Die schmetterlinge der Philippinischen inseln. Beitrag zur indo-malayischen lepidopteren-fauna - Semper, Georg, 1837 -1909 (C. W. Kreidel, 1900)

Die schmetterlinge der Philippinischen inseln. Beitrag zur indo-malayischen lepidopteren-fauna - Semper, Georg, 1837 -1909 (C. W. Kreidel, 1901)

Die schmetterlinge der Philippinischen inseln. Beitrag zur indo-malayischen lepidopteren-fauna - Semper, Georg, 1837 -1909 (C. W. Kreidel, 1902)

Die Schmetterlinge Europas - Hofmann, Ernst, 1837 -1892 (E. Schweizerbart, 1908)

Die Schmetterlinge in Abbildungen nach der Natur - Sturm, Jakob, 1771 -1848 (T.O. Weigel, 1829)