Additional papers of Harvard History of Science scholar, George Sarton including lecture notes, unpublished manuscripts, correspondence, and other materials.

Additional papers of the American historian of science, George Sarton. Also some papers concerning George Sarton, assembled by his daughter, May Sarton,

Primarily correspondence of historian of science and Harvard professor George Sarton with professional colleagues about the journal Isis.

Diaries and appointment books of the Belgium-born, American historian of science, George Sarton.

Letters from historian of science George Sarton to American writer and historian of science Dorothy Stimson, and a few other letters to Stimson

Correspondence of historian of science George Sarton with scientists, inventors, and others.

Papers of Harvard professor and historian of science George Sarton.