Grover C. Bartoo & Jesse Osborn.
Plane geometry.
R607940. Plane geometry. By Grover C. Bartoo & Jesse Osborn. NM: p. 21, 53, 151 & 165. © 8Sep47; A17338. Harriette V. Bartoo (W) & Jesse Osborn (A); 13Jun75; R607940.
Harriette V. Bartoo|W||Jesse Osborn|A