The Online Books Page Online Books by National Recreation Association
University of Pennsylvania via the HathiTrust
Includes a sizable title list with links to the fulltext of the publications included. Titles such as:
Recreation for girls and women : prepared for the National recreation association / (New York : A.S. Barnes and company, incorporated, 1934), also by Ethel Bowers (page images at HathiTrust) AND
Recreation for the aging. / (New York, : Association Press, ), also by Arthur Milton Williams (page images at HathiTrust)
are found on this publication bibliography.