Cassidy, Harold G. Vade mecum for the teacher of science restated : physics and chemistry for the non-scientist Harold G. Cassidy - San Francisco, California: Freeman, Cooper, 1970. - 75p. PB Eng ISBN: 0877350078 Subjects--Topical Terms: Teaching-Aids and devicesStudy methods of Dewey Class. No.: 371.3 / CAV