Collection 5. Upton Sinclair Miscellaneous Materials V: Letters by Sinclair in Periodicals, 1913-1962 Repository Indiana University » Lilly Library
Collection 6. Upton Sinclair Miscellaneous Materials VIII: Advertisements, Theater Programs, and Playbills about Sinclair's Books, Plays, and Appearances, 1906-1960 Repository Indiana University » Lilly Library
Collection 7. Upton Sinclair Miscellaneous Materials VII: Articles about Sinclair and His Works, 1906-1965 Repository Indiana University » Lilly Library
Collection 8. Upton Sinclair Miscellaneous Materials VI: Book Reviews by Sinclair, 1904-1954 Repository Indiana University » Lilly Library
Collection 9. Upton Sinclair Miscellaneous Materials IV: Articles Written by Sinclair, 1940-1961 Repository Indiana University » Lilly Library
Collection 10. Upton Sinclair Miscellaneous Materials III: Articles Written by Sinclair, 1930-1939 Repository Indiana University » Lilly Library
Collection 11. Upton Sinclair Miscellaneous Materials II: Articles Written by Sinclair, 1905-1929 Repository Indiana University » Lilly Library
Collection 12. Upton Sinclair Miscellaneous Materials I: Articles, Source Materials, Photographs, Recordings, Memorabilia, etc., 1878-1968, 1957-1968 Repository Indiana University » Lilly Library
Collection 26. Saturday Review of Literature mss., 1946-1956 Repository Indiana University » Lilly Library
Collection 27. Ruth Clifford Engs papers, 1947-2015, bulk 1970-2002 Repository Indiana University » University Archives