Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1879)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1881)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1883)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1886)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1887)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1897)

A manual of determinative bacteriology - Chester, Frederick D. (Frederick Dixon), 1861 -1943 (The Macmillan company; London, Macmillan & co., ltd, 1901)

A manual of elementary geology - Lyell, Charles, Sir, 1797 -1875 ([s.n.], 1855)

A manual of elementary geology: or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments - Lyell, Charles, Sir, 1797 -1875 (D. Appleton and Company, 1860)

A manual of elementary geology: or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments - Lyell, Charles, Sir, 1797 -1875 (D. Appleton, 1857)

Manual of geology: theoretical and practical - Seeley, H. G. (Harry Govier), 1839 -1909 (C. Griffin and company, 1885)

Manual of geology, treating of the principles of the science with special reference to American geological history - Dana, James Dwight, 1813 -1895 (American Book Co, 1896)