Manual and Course of Study for the Elementary Schools of Los Angeles County, California Los Angeles County (Calif.). Board of Education Published: 1927 Total Pages: 178 Get eBook
A History of Mathematics Education in the United States and Canada National Council of Teachers of Mathematics Published: 1970 Total Pages: 602 Get eBook
Catalog of Copyright Entries. Part 1. [B] Group 2. Pamphlets, Etc. New Series Library of Congress. Copyright Office Published: 1927 Total Pages: 910 Get eBook
