HOELSCHER, RANDOLPH PHILIP.
Industrial production illustration for students, draftsmen, and illustrators, by Randolph Philip Hoelscher, Clifford Harry Springer & Richard F. Pohle.
HOELSCHER, RANDOLPH PHILIP. Industrial production illustration for students, draftsmen, and illustrators, by Randolph Philip Hoelscher, Clifford Harry Springer & Richard F. Pohle. © 1Apr43; AA424777. Randolph Philip Hoelscher & Clifford Harry Springer (A); 2Jul70; R487615.
Randolph Philip Hoelscher & Clifford Harry Springer|A