Reise in Ostafrika in den Jahren 1903-1905 : mit Mitteln der Hermann und Elise geb. Heckmann Wentzel-Stiftung : Wissenschaftliche Ergebnisse - Voeltzkow, Alfred, 1860 -1946 (E. Schweizerbartsche Verlagsbuchhandlung, 1909)

Reise in Ostafrika in den Jahren 1903-1905 : mit Mitteln der Hermann und Elise geb. Heckmann Wentzel-Stiftung : Wissenschaftliche Ergebnisse - Voeltzkow, Alfred, 1860 -1946 (E. Schweizerbartsche Verlagsbuchhandlung, 1917)

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

Report of the proceedings of the ... Entomological Meeting (Superintendent government printing, India, 1920)

Report of the proceedings of the ... Entomological meeting - Fletcher, T. B. (Thomas Bainbrigge), 1878 -1950 (Superintendent government printing, India, 1917)

Report of the proceedings of the ... Entomological meeting - Fletcher, T. B. (Thomas Bainbrigge), 1878 -1950 (Superintendent government printing, India, 1919)

Return / British Museum - British Museum (Natural History) (British Museum, 1901)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1895)

Revue mensuelle de la Société entomologique namuroise - Société entomologique namuroise. (Société entomologique namuroise, 1906)

Revue mensuelle de la Société entomologique namuroise - Société entomologique namuroise. (Société entomologique namuroise, 1907)

Rhopalocera æthiopica; die Tagfalter des æthiopischen Faunengebietes, eine systematisch-geographische Studie - Aurivillius, Chr. (Christopher), 1853 -1928 (Kungl. Boktryckeriet, P.A. Norstedt & Sönner, 1898)

Rhopalocera Africae australis : a catalogue of South African butterflies : comprising descriptions of all the known species, with notices of their larvae, pupae, localities, habits, seasons of appearance, and geographical distribution - Trimen, Roland, 1840 -1916 (Trübner, 1862)

Rhopalocera exotica ; being illustrations of new, rare, and unfigured species of butterflies - Kirby, W. F. (William Forsell), 1844 -1912 (Gurney & Jackson, 1897)

Rhopalocera Malayana :a description of the butterflies of the Malay Peninsula : with 46 coloured plates and 129 woodcuts - Distant, William Lucas, 1845 -1922 (W.L. Distant, 1882)

Rhopalocera Malayana : a description of the butterflies of the Malay peninsula - Distant, William Lucas, 1845 -1922 (W.L. Distant, 1882)

Rhopalocera nihonica: a description of the butterflies of Japan - Bisset, James. (Printed at the Office of the "Japan mail", Published by the author, 1889)

Rhopalocera nihonica: a description of the butterflies of Japan - Pryer, H. (Henry), 1850 -1888 (Office of the "Japan mail": pub. by the author, 1886)

The Rhopalocera of Java - Piepers, M. C. (Marinus Cornelis), 1835 -1919 (M. Nijhoff; [etc., etc.], 1913)

Riassunto generale dei risultati zoologici - Fea, L. (Leonardo), 1852 -1903 (Tipografia R. Istituto Sordo-Muti, 1897)

The River Congo from its mouth to Bólobó; with a general description of the natural history and anthropology of its western basin - Johnston, Harry, 1858 -1927 (S. Low, Marston & Co, 1895)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1907)

Sammlung exotischer Schmetterlinge - Geyer, Carl, 1802 -1899 (im Verlag der Hübner'schen Werke, bey C. Geyer, 1818)

The Sarawak Museum journal - Sarawak Museum. (Sarawak Museum, 1915)

Science - American Association for the Advancement of Science. ([s.n.], 1880)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1899)

Science progress (John Murray, 1921)

Scientific news for general readers; a popular illustrated weekly journal of science (1888)

[Scientific papers on lepidoptera] - Druce, Hamilton H. (s.n, 1878)

The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1878)

Shin Nihon senchu zukai - Matsumura, Shōnen 1872 -1960 (Keiseisha, 1913)

Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin - Gesellschaft Naturforschender Freunde zu Berlin. (Gesellschaft Naturforschender Freunde, 1910)

Sitzungsberichte und Abhandlungen der Naturwissenschaftlichen Gesellschaft Isis in Dresden - Gesellschaft Isis in Dresden. (Warnatz & Lehmann, 1886)

Sketches of the natural history of Ceylon : with narratives and anecdotes illustrative of the habits and instincts of the mammalia, birds, reptiles, fishes, insects, &c. : including a monograph of the elephant and a description of the modes of capturing and training it with engravings from original drawings - Tennent, James Emerson, Sir, 1804 -1869 (Longman, Green, Longman, and Roberts, 1861)

Sketches of the natural history of Ceylon : with narratives and anecdotes illustrative of the habits and instincts of the mammalia, birds, reptiles, fishes, insects, etc. including a monograph of the elephant ... - Tennent, James Emerson, Sir, 1804 -1869 (Longman, Green, Reader, and Dyer, 1868)

Sketches of the natural history of Ceylon : with narratives and anecdotes illustrative of the habits and instincts of the mammalia, birds, reptiles, fishes, insects, &c. : including a monograph of the elephant and a description of the modes of capturing and training it : with engravings from original drawings - Tennent, James Emerson, Sir, 1804 -1869 (Longman, Green, Longman, and Roberts, 1861)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1862)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1889)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1890)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1892)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1891)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1904)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1906)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1907)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1910)

South-African butterflies ; a monograph of the extra-tropical species - Bowker, James Henry. (Trubner, 1887)

South-African butterflies ; a monograph of the extra-tropical species - Bowker, James Henry. (Trubner, 1889)

Spixiana. Supplement - Zoologische Staatssammlung München. (Zoologische Staatssammlung München, 1978)

Spolia zeylanica - Colombo Museum (Colombo Museum, 1903)

Spolia zeylanica - Colombo Museum (Colombo Museum, 1910)

Spolia zeylanica - Colombo Museum (Colombo Museum, 1913)

The standard natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (S.E. Cassino and company, 1884)

The standard natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (S.E. Cassino and company, 1886)

The story of the rear column of the Emin Pasha Relief Expedition - Godman, Frederick Du Cane, 1834 -1919 (United States Books Co, 1887)

The story of the rear column of the Emin Pasha relief expedition - Jameson, James S. (James Sligo), 1856 -1888 (Rose Pub. Co, 1891)

A synonymic catalogue of diurnal Lepidoptera. Supplement, March, 1871-June, 1877 - Kirby, W. F. (William Forsell), 1844 -1912 (J. Van Voorst, 1877)

A synonymic catalogue of diurnal Lepidoptera - Kirby, W. F. (William Forsell), 1844 -1912 (J. Van Voorst, 1871)