Subseries III.2: Publications about Hoffman, circa 1890s-1966, undated Rare Book & Manuscript Library Frederick L. Hoffman Papers, 1881-1989Series III: Publications, 1890-1968, undated
Subseries III.3: Other publications, 1890-1918, undated Rare Book & Manuscript Library Frederick L. Hoffman Papers, 1881-1989Series III: Publications, 1890-1968, undated
Subseries IV.1: Ella Hoffman Rigney, 1936-circa 1978, undated Rare Book & Manuscript Library Frederick L. Hoffman Papers, 1881-1989Series IV: Hoffman and Rigney family, 1885-1986, undated
Subseries IV.2: Genealogical and family documents, 1885-1986, undated Rare Book & Manuscript Library Frederick L. Hoffman Papers, 1881-1989Series IV: Hoffman and Rigney family, 1885-1986, undated
"Suicide and Business," The Literary Digest, 1925 August 29 Box 17 Rare Book & Manuscript Library Frederick L. Hoffman Papers, 1881-1989Series III: Publications, 1890-1968, undatedSubseries III.1: Publications by Hoffman, 1892-1937, 1968, undated
"Suicides and Modern Civilization," The Arena, Boston, Massachusetts, vol. 7 no. 8, p. 680, 1893 May Box 12 Rare Book & Manuscript Library Frederick L. Hoffman Papers, 1881-1989Series III: Publications, 1890-1968, undatedSubseries III.1: Publications by Hoffman, 1892-1937, 1968, undated
Taft, William Howard Box 1 Rare Book & Manuscript Library Frederick L. Hoffman Papers, 1881-1989Series I: Correspondence, circa 1884-1946, undatedSubseries I.1: Cataloged correspondence
Tarbell, Ida Minerva Box 1 Rare Book & Manuscript Library Frederick L. Hoffman Papers, 1881-1989Series I: Correspondence, circa 1884-1946, undatedSubseries I.1: Cataloged correspondence
"The Cancer Death Rate in Selected Occupations," Published in the bulletin of the American Academy of Medicine, 1914 October 4 Box 13 Rare Book & Manuscript Library Frederick L. Hoffman Papers, 1881-1989Series III: Publications, 1890-1968, undatedSubseries III.1: Publications by Hoffman, 1892-1937, 1968, undated
"The Cancer Record for 1926," The Spectator, Philadelphia, Pa., 1927 October 13 Box 18 Rare Book & Manuscript Library Frederick L. Hoffman Papers, 1881-1989Series III: Publications, 1890-1968, undatedSubseries III.1: Publications by Hoffman, 1892-1937, 1968, undated