Pierson, Peter (Autor Personal)

His Commander of the Armada, c1989: CIP t.p. (Peter Pierson)

LC data base, 12-23-88 (hdg.: Pierson, Peter)

Fort Ross, 2003: t.p. (Peter O'Malley Pierson)

Website of Fromm Institute, University of San Francisco, 8/18/2005 (Prof. Peter Pierson; Peter O'Malley Pierson; author of Philip II of Spain, Commander of the Armada and History of Spain)

OCLC, 8/18/2005 (hdgs.: Pierson, Peter; Pierson, Peter O'M.; Pierson, Peter O'Malley,1932-)

Felipe II de España, ©1984: t.p. (Peter Pierson)