TY  - BOOK
AU  - Stone,John C.
TI  - The teaching of arithmetic
AV  - QA135 .S895
PY  - 1926///[c1918]
CY  - Chicago, New York [etc.]
PB  - B.H. Sanborn & co.
KW  - Arithmetic
KW  - Study and teaching
UR  - http://www.archive.org/details/teachingofarithm00ston
UR  - http://www.openlibrary.org/books/OL24228664M
ER  -