LC database, Sept. 13, 2012 (hdg.: Filmer, Robert, Sir, d. 1653; usage: Robert Filmer [with or without Sir])
Oxford DNB WWW site, Sept. 13, 2012 (Filmer, Sir Robert; b. almost certainly in 1588, East Sutton, Kent; d. on or around May 23, 1653; political writer)