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, 1880)

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, 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, 1888)

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, 1889)

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 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, 1857)

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)

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, for the use of colleges, academies, and schools of science - Dana, James Dwight, 1813 -1895 (T. Bliss, 1867)

Manual of geology, treating of the principles of the science, with special reference to American geological history, for the use of colleges, academies, and schools of science - Dana, James Dwight, 1813 -1895 (T. Bliss & co, 1863)

Manual of geology, treating of the principles of the science with special reference to American geological history - Dana, James Dwight, 1813 -1895 (Ivison, Blakeman, Taylor and Co, 1874)

Manual of geology: treating of the principles of the science with special reference to American geological history - Dana, James Dwight, 1813 -1895 (American book company, 1880)

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)