Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1928)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1932)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1887)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1833)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1906)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1911)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1917)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1881)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1901)

Procès-verbaux - Société Linnéenne de Bordeaux. (1910)

Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany - Association internationale des botanistes. (G. Fischer, 1907)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1890)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1884)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1910)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1914)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1916)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1922)

The Quarterly journal of science (J. Churchill and Sons, etc, 1877)

Quarterly Magazine of the High Wycombe Natural History Society - High Wycombe Natural History Society. (1866)

Rambles of a naturalist round Folkestone : with occasional papers on the fauna and flora of the district, to which are added lists of plants, lepidoptera, birds, and land and freshwater shells - Ullyett, Henry. (J. English, 1880)

Die Raupen der gross-schmetterlinge Europas - Hofmann, Ernst, 1837 -1892 (Verlag der C. Hoffmann, 1893)

Die Raupen der schmetterlinge Europas - Hofmann, Ernst, 1837 -1892 (E. Schweizerbartsche Verlagsbuchhandlung Nägele, 1903)

Reading Naturalist. Reading - Reading Natural History Society.

Reading Naturalist. Reading - Reading Natural History Society. (2013)

Recent advances in microscopy; biological applications - MacBride, E. W. (Ernest William), 1866 -1940 (P. Blakiston's son & co., inc, 1931)

Recent progress in the study of variation, heredity, and evolution - Lock, Robert Heath, 1879 -1915 (Murray, 1920)

Recent progress in the study of variation, heredity, and evolution - Lock, Robert Heath, 1879 -1915 (E.P. Dutton, 1920)

Record of Proceedings / Cleveland Naturalists' Field Club - Cleveland Naturalists' Field Club. (1899)

The Record of zoological literature (J. van Voorst, 1866)

The Record of zoological literature (J. van Voorst, 1868)

The Record of zoological literature (J. van Voorst, 1869)

Recreative Science (1860)

The relative value of the processes causing evolution - Hagedoorn, Anna Cornelia (M. Nijhoff, 1921)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1892)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1882)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1895)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1905)

Report and Transactions / East Kent Scientific and Natural History Society - East Kent Scientific; Natural History Society. (1901)

Report / Leeds Naturalists' Club & Scientific Association - Leeds Naturalists' Club; Scientific Association. (1876)

Report of Burton-on-Trent Natural History and Archaeological Society - Burton-on-Trent Natural History; Archaeological Society. (1884)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1877)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1880)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1882)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1885)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1890)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1893)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1898)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1899)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1901)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1905)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1907)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1909)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1920)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1922)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1923)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1924)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1925)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1926)

Report of the Hampstead Scientific Society - Hampstead Scientific Society. (1902)

Report of the Proceedings of the Society / Cheltenham College Natural History Society - Cheltenham College Natural History Society. (1889)

Report of the South London Entomological Society - South London Entomological Society. (1879)

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, 1907)

Report of the Third International Conference 1906 on Genetics : hybridisation (the cross-breeding of genera or species), the cross-breeding of varieties, and general plant-breeding - Royal Horticultural Society (Great Britain) (Royal Horticultural Society, 1907)

Report on the injurious insects and other animals observed in the Midland counties during 1904-07 - Collinge, Walter E. (Walter Edward), 1867 -1947 (Cornish bros., ltd, 1905)

Report on the injurious insects and other animals observed in the Midland counties - Collinge, Walter E. (Walter Edward), 1867 -1947 (Cornish Brothers, 1903)

Report on the injurious insects and other animals observed in the Midland counties - Collinge, Walter E. (Walter Edward), 1867 -1947 (Cornish Brothers, 1904)

Report on the injurious insects and other animals observed in the Midland counties - Collinge, Walter E. (Walter Edward), 1867 -1947 (Cornish Brothers, 1907)

Report / Perthshire Natural History Museum - Perthshire Natural History Museum. (1902)

Reports and transactions - Cardiff Naturalists' Society.

Reports to the Evolution Committee - Bateson, William, 1861 -1926 (Harrison & Sons, 1902)

Return / British Museum - British Museum (Natural History) (British Museum, 1890)

Return / British Museum - British Museum (Natural History) (British Museum, 1896)

Return / British Museum - British Museum (Natural History) (British Museum, 1916)

The Review of applied entomology Series A Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1914)

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, 1916)

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