History of the Prudential Insurance Company of America, industrial insurance. 1875-1900 / by Frederick L. Hoffman.

1900

 Insurance Science and Economics. a pratical discussion of present-day problems of administration, methods and results / by Frederick L. Hoffman.

1911

 Life Insurance Progress, methods and results / by Frederick L. Hoffman.

1922

 Suicide problems. with an introduction / Frederick L. Hoffman.

[1928]