Report.
- New York City [1909?]
- 23 p. 23 cm.
- [Russell Sage Foundation. Dept. of Child Hygiene. Pamphlets, no. 35] .
At head of title: No. 77. Reprinted from Proceedings of the third annual Playground Congress, Pittsburgh, Pa., May 10-14, 1909, for the Playground Association of America. "Books on folk dancing": p. 15-21.