he physical basis of mind, 1950.

Bastardy and its comparative history, 1980: t.p. (Peter Laslett) CIP data sheet (b. 12/18/15)

La historia de la familia en la Península Ibérica, 2008: t.p. (Peter Laslett) p. 9 (Thomas Peter Ruffell Laslett, English historian; died 8 Nov. 2001, Cambridge)

Who's Who online ed., 17 Sept. 2014 (Laslett, (Thomas) Peter (Ruffell); born 18 Dec. 1915, died 8 Nov. 2001; reader in politics and the history of social structure, Cambridge University, 1966-83; co-founder and director, Cambridge Group for the History of Population and Social Structure, since 1964)