Books by Isaac W. Litchfield
Science Conspectus; V. 1 No. 1
Science Conspectus; V. 1 No. 1-5 Dec. 1910-Apr. 1911
Science Conspectus; V. 2 No. 1
Science Conspectus; V. 2 No. 1-5 Dec. 1911-Apr. 1912
Science Conspectus; V. 4 No. 1
Science Conspectus; V. 4 No. 1-5 1914
Science Conspectus; V. 5 No. 1
Science Conspectus; V. 5 No. 1-5 1915
Science Conspectus; V. 6 No. 1
Science Conspectus; V. 6 No. 1-5 1916