CLARK, JOHN R.
Modern school geometry, revised with aeronautics supplement, by John R. Clark & Rolland R. Smith with the cooperation of Raleigh Schorling. (Schorling-Clark-Smith mathematics series)
CLARK, JOHN R. Modern school geometry, revised with aeronautics supplement, by John R. Clark & Rolland R. Smith with the cooperation of Raleigh Schorling. (Schorling-Clark-Smith mathematics series) © 19Feb43; A171276. Marie O. Schorling (W) & John R. Clark (A); 12Aug70; R489589.
Marie O. Schorling|W||John R. Clark|A