http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Parks, recreation, and leisure services employment in the public sector
status and trends : report and analysis of a nation-wide manpower study
National Recreation and Park Association
Donald D. Henkel, Geoffrey C. Godbey ; with the assistance of Charles A. Taylor, Christine C. Badger.