An introduction to nematology - Chitwood, B. G. (Benjamin Goodwin), 1906 -1972 (Monumental printing co, 1937)

An introduction to palaeontology - Davies, A. Morley (Arthur Morley), 1869 -1959 (Morby, 1920)

An introduction to palaeontology - Davies, A. Morley (Arthur Morley), 1869 -1959 (T. Murby, 1920)

An introduction to physiological & systematical botany - Smith, James Edward, 1759 -1828 (A. Finley, 1814)

An introduction to physiological and systematical botany - Smith, James Edward, 1759 -1828 (Longman, Hurst, Reese, Orme, 1807)

An introduction to physiological and systematical botany - Smith, James Edward, 1759 -1828 (Printed for Longman, Hurst, Rees, Orme, and Brown, 1819)

An introduction to physiological and systematical botany - Smith, James Edward, 1759 -1828 (Longman, Hurst, Reese, and Orme, 1809)

An introduction to the classification of animals - Huxley, Thomas Henry, 1825 -1895 (J. Churchill & sons, 1869)

An introduction to the comparative anatomy of animals : compiled with constant reference to physiology, and elucidated by twenty copper-plates - Carus, Carl Gustav, 1789 -1869 (Longman, Rees, Orme, Brown, and Green, 1827)

An introduction to the comparative anatomy of animals compiled with constant reference to physiology, and elucidated by twenty copper-plates - Carus, Carl Gustav, 1789 -1869 (Longman, Rees, Orme, Brown, and Green, 1827)

An introduction to the science of botany : chiefly extracted from the works of Linnaeus : to which are added, several new tables and notes, and a life of the author - Linné, Carl von, 1707 -1778 (Printed for F.C. and J. Rivington, Wilkie and Robinson, J. Walker, White and Co., [etc.], 1810)

An introduction to the science of botany chiefly extracted from the works of Linnaeus, to which are added several new tables and notes and a life of the author - Thornton, Robert John, 1837 (printed for F. C. and J. Rivington ; Wilkie and Robinson ; J. Walker ; White and Co. ; Longman, Hurst, Rees, and Orme ; Cadell and Davies ; Lackington, Allen and Co. ; J. Booker : J. Mawman. B. Crosby and Co. ; W. Haynes ; Sherwood, Neely and Jones ; J. J, 1810)

An introduction to the study of botany - Smith, James Edward, 1759 -1828 (Longman, Rees, Orme, Brown, Green, and Longman, 1833)

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 seaweeds - Murray, George, 1858 -1911 (Macmillan, 1895)

An introduction to the study of the Brachiopoda : intended as a handbook for the use of students - Hall, James, 1811 -1898 (J. B. Lyon, state printer, 1894)

An introduction to the study of the genera of Palaeozoic Brachiopoda : part I / by James Hall - Hall, James, 1811 -1898 (Charles Van Benthuysen & Sons, 1892)

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

An introduction to zoology - Gosse, Philip Henry, 1810 -1888 (Printed for the Society for promoting Christian knowledge, 1844)