La Salle, Dorothy. Health instruction for today's schools / [by] Dorothy La Salle [and] Gladys Geer. - Englewood Cliffs, N.J., Prentice-Hall, 1963. - 368 p. : illus. ; 22 cm. Subjects--Topical Terms: Health education. Dewey Class. No.: 613 / SAD 1963 National Library of Medicine Call No.: QT200 / .L338h 1963