Free and inexpensive educational aids.
- Publication:
- New York, Dover Publications [1962]
- Format/Description:
- Book
192 p. 22 cm. - Edition:
- 2d rev. ed.
- Online:
- HathiTrust Digital Library Connect to full text
http://catalog.hathitrust.org/Record/101699802 - Status/Location:
-
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- Other records:
- Subjects:
- Free material.
Teaching -- Aids and devices -- Catalogs. - OCLC:
- 1612914