Lewis H. Lapham, Financier, 76, Dies; Retired Leather Merchant Was a Founder of Texas Corporation, an Oil Concern, in The New York Times, 11 giugno 1934. URL consultato il 28 febbraio 2020.
«The near relatives who survive [include] ... two daughters, Mrs. Elinor Ford of Washington, D.C.., and Mrs. Samuel Lloyd of Stamford, Conn., and two sons [including] Roger D. Lapham of San Francisco, president of the American Hawaiian Steamship Company....»
