The Sinclair mss. V, 1902, consists of the application of novelist Upton Beall Sinclair, 1878-1968, for a fellowship in the Graduate School of Harvard University for the year 1902-1903.
The Singer, D. mss., 1948-1965, consist of letters and notes to, from, and about author Upton Beall Sinclair, 1878-1968, collected by educator Donald Lee Singer, 1936-.
The U.S. History mss., 1612-1977, consist of individual items acquired separately either as a gift, purchase, transfer, or removal from a variety of sources, relating to the United States. Additions continue to be made.
The Clark mss., 1909-1957, consists of the letters and writings of author, editor, and publisher Thomas Curtis Clark, 1877-1953, as well as the autographs and poems of other writers collected by him.
This collection consists of articles written by Upton Sinclair between the years 1940 and 1961, published in various magazines, newspapers, and journals.
This collection consists of articles written by Upton Sinclair between the years 1905 and 1929, published in various magazines, newspapers, and journals.