FREILICH, AARON.
Spherical trigonometry (with answers) by Aaron Freilich, Henry H. Shanholt & Joseph Seidlin.
FREILICH, AARON. Spherical trigonometry (with answers) by Aaron Freilich, Henry H. Shanholt & Joseph Seidlin. © 3Aug43; A174600. Madeline Shanholt (W of H. H. Shanholt); 15Dec70; R497044.
Madeline Shanholt|W of H. H. Shanholt