Visual education through stereographs and lantern slides
Subtitle: knowledge visualized and vitalized: travel studies; 50 cross reference classifications ed.
By: by 62 leading educators and based on the Keystone "600 set"
Publisher: Keystone view company (incorporated) Educational department
Published: 1917
Place of publication: Meadville, Pa
Language: eng
Number of pages: 715
Subjects: Stereoscopic views; Slides (Photography)