The year book of the Playground and Recreation Association of America.

অনুরূপ উপাদানগুলি

• Standards: playgrounds, playfields, recreation buildings, indoor recreation facilities
  প্রকাশিত: (1944)
• Annual report of the Pitttsburgh playgrounds, vacation schools and recreation parks
• Playgrounds, their administration and operation. National recreation association
  অনুযায়ী: Butler, George D. (George Daniel), 1893-1985
  প্রকাশিত: (1936)
• The parks and playgrounds of Florida
  অনুযায়ী: Douglas, Marjory Stoneman
  প্রকাশিত: (1938)
• Playgrounds : their administration and operation
  অনুযায়ী: Butler, George D. (George Daniel), 1893-1985
  প্রকাশিত: (1936)