His Chemistry made simple, c1984: CIP t.p. (Fred C. Hess)

LC manual auth. cd. (hdg.: Hess, Fred C.)

Chemistry made simple, c1955: t.p. (Fred C. Hess, Ed.D.; prof., State Univ. of N.Y., Maritime Coll.)

Química simplificada, 1977 portada (Fred C. Hess)