Eight Classic works in the History of Science from the Internet Archive (archive.org)
Murray, Robert H. 1925. . The Sheldon Press.
Sarton, George. 1948. New York: H. Schuman.
__________. 1952. A guide to the history of science; a first guide for the study of the history of science, with introductory essays on science and tradition. Waltham, Mass.:Chronica Botanica Co.
Singer, Charles Joseph. 1917. Studies in the history and method of science. Oxford: Clarendon Press.
.
Oxford University Press
Thorndike, Lynn. 1923. A History of Magic and Experimental Science, v.1-8 New York: Macmillan.
Wightman,William P.D. 1953. . New Haven: Yale University Press.
Wright, John Kirtland. 1925. New York: American Geographical Society.