An introduction to conchology; or, Elements of the natural history of molluscous animals - Johnston, George, 1797 -1855 (J. Van Voorst, 1850)

Introduction to elementary practical biology; a laboratory guide for high-school and college students - Dodge, Charles Wright, 1863 -1934 (Harper & brothers, 1894)

Introduction to elementary practical biology; a laboratory guide for high-school and college students - Dodge, Charles Wright, 1863 -1934 (Harper & Brothers, 1894)

An introduction to geology : and its associate sciences mineralogy, fossil botany, and palaeontology - Wright, Thomas, 1809 -1884 (H. G. Bohn, 1855)

An introduction to physiology - Porter, William Townsend, 1862 -1949 (The University Press, 1901)

An introduction to physiology - Porter, William Townsend, 1862 -1949 (The University Press, 1906)

An introduction to the study of conchology : including observations on the Linnæan genera, and the arrangement of M. Lamarck, a glossary, and a table of English names - Brookes, Samuel (Printed for John and Arthur Arch, by Richard and Arthur Taylor, 1815)

An introduction to the study of conchology : including observations on the Linnæan genera, and the arrangement of M. Lamarck, a glossary, and a table of English names : illustrated with coloured plates - Lamarck, Jean-Baptiste Pierre Antoine de Monet de, 1744 -1829 (Printed for John and Arthur Arch, by Richard and Arthur Taylor, 1815)

An introduction to the study of embryology - Haddon, Alfred C. (Alfred Cort), 1855 -1940 (Griffin, 1887)

An introduction to the study of embryology - Haddon, Alfred C. (Alfred Cort), 1855 -1940 (P. Blakiston, 1887)

An introduction to the study of fossils (plants and animals) - Shimer, Hervey Woodburn, 1872 -1965 (The Macmillan Company, 1914)

An introduction to the study of fossils (plants and animals) - Shimer, Hervey Woodburn, 1872 -1965 (The Macmillan Co, 1921)

An introduction to the study of the comparative anatomy of animals - Bourne, Gilbert C. (Gilbert Charles), 1861 -1933 (G. Bell & sons, 1902)

An introduction to the study of the comparative anatomy of animals - Bourne, Gilbert C. (Gilbert Charles), 1861 -1933 (G. Bell & sons, 1919)

An introduction to the study of zoology - Lindsay, B. (S. Sonnenschein, 1895)

Introduction to zoology; a guide to the study of animals, for the use of secondary schools - Davenport, Charles Benedict, 1866 -1944 (Macmillan company, 1900)

An introduction to zoology, with directions for practical work (invertebrates) - Lulham, Rosalie Blanche Jermaine. (Macmillan, 1913)

The Invertebrata; a manual for the use of students - Borradaile, L. A. (Lancelot Alexander), 1872 -1945 (Macmillan, 1932)

The Invertebrata; a manual for the use of students - Borradaile, L. A. (Lancelot Alexander), 1872 -1945 (Macmillan, 1935)

The invertebrate fauna of the inland waters of Scotland, part II - Scott, Thomas, 1840 -1929 (Fisheries Board, 1891)

Invertebrate zoology - Levi, Herbert Walter, 1921 -2014 (Krieger, 1900)

Invertebrate zoology - Van Cleave, Harley Jones, 1886 -1953 (McGraw-Hill Book Company, Inc, 1931)

Investigations, chemical and physiological, relative to certain American Vertebrata - Jones, Joseph, 1833 -1896 (Smithsonian Institution, 1856)

Investigations in fish control - U.S. Fish; Wildlife Service (U.S. Dept. of the Interior, Fish and Wildlife Service, 1975)

Investigations on microscopic foams and on protoplasm. Experiments & observations directed towards a solution of the question of the physical conditions of the phenomena of life - Bütschli, Otto, 1848 -1920 (A. and C. Black, 1894)

Investigations on microscopic foams and on protoplasm; experiments and observations directed towards a solution of the question of the physical conditions of the phenomena of life - Bütschli, Otto, 1848 -1920 (Black, 1894)

Ipsa Chiereghinii Conchylia, ovvero contribuzione pella Malacologia Adriatica desunta dal manoscritto descrizione de' Crostacei, de' Testacei, e de' Pesci che abitano le Lagune e Golfo Veneto, rappresentati in figure, a chiaro-scuro ed a colori dall Abate S. Chiereghini ... illustrata da S. Brusina - Brusina, Spiridion, 1845 -1908 (1870)