Martinez, Manuel F. Footprints in the wilderness : the life of Oscar F. Santos and his message to the Filipino youth / Manuel F. Martinez. - Rizal : RLVJ Printing Services, 1997. - xvii, 356 pages : black and white, illustrations ; 23 centimeter. Subjects--Topical Terms: Santos, Oscar F--Biography.Political science. Dewey Class. No.: FIL 320.9092 Sa59f 1997