Horn, Bob, Swimming techniques in pictures : expert instruction / by Bob Horn ; underwater sequences and still photographs by J. Barry Herron. - New York : Grosset and Dunlap, (c)1974. - 95 pages : illustrations, portraits ; 28 cm. "A Globe Photos book." LCCN: 73022734 /AC Subjects--Topical Terms: Swimming. LC Class. No.: GV837 / .S956 1974 GV837