Organized athletics, games and folk dancing,
by Clarence Arthur Perry ...
- New York city, Dept. of child hygiene of the Russell Sage foundation, c1910.
- 43 p. 23 cm.
- [Russell Sage foundation. Dept. of child hygiene. Pamphlets] no. 86 .
"This pamphlet is a reprint of chapter X of "The wider use of the school plant.' by Clarence Arthur Perry."