Baldwin, Winfred Eugene. Essential lessons in human physiology and hygiene, for schools; by Winfred E. Baldwin, M.D. - Chicago, New York, Werner school book company [1898] - 200 p. illus., 2 col. pl. 20 cm. - The Werner educational series . At head of title: Authorized edition. LCCN: c 98000300 //r25 Subjects--Topical Terms: Human physiology.Hygiene. LC Class. No.: QP36 / .B178