found: LCCN 67-18027: Rosen, A. Baseball and your boy, 1967(hdg.: Rosen, Al)
found: LC data base, 8-1-85(hdg.: Rosen, Al) LC manual auth. cd. (hdg.: Rosen, Al; usage: Al Rosen; Albert Rosen; former member of Cleveland Indians baseball team)
found: Current biog., 1954(Rosen, Al(bert Leonard), b. 3/1/25; baseball player)
found: New York times (online), viewed Mar. 17, 2015(in obituary published Mar. 14: Al Rosen; b. Albert Leonard Rosen, Feb. 29, 1924, Spartanburg, S.C.; d. Friday [Mar. 13, 2015], Rancho Mirage, Calif., aged 91; slugging third baseman for the Cleveland Indians who was unanimously named the American League's most valuable player in 1953, when he came within a hit of winning the batting triple crown, but whose career was cut short by injury)