Other References: Recreation - A Major Community Problem. National Recreation Association. 15¢. The Theory of Play. Mitchell and Mason, A. S. Barnes & Company, New York, $2.80, introduction to Community Recreation. Hdited by George D. Butler, McGraw-Hill Book Company, Inc., New York. Just published. An authoritative reference on the field, $3.50. Handbook for Recreation Leaders. U.S. Children's Bureau, May be obtained from the Superintendent of Documents, Washington, D.C. Publication No.231. 20¢. Partners in Play. (Youth age.) National Recreation Association. $1.00. Adventures in Recreation. (Youth age.) National Recreation Association, Tee. Recreation publications of Federal and state Government departments and of exten- sion departments of state universities.