- History of Winter Park by Ray A Trovillion,  1973
 - The preservation and management of vegetation in ravines in Highland Park, Illinois: A report by Kenneth Ray Robertson,  1977
 - The trust fund policy of Minnesota: Open letter to Governor Theodore Christianson by Ray Park Chase,  1927
 - Education and national parks (National parks series) by Ray Chapman-Taylor,  1976
 - Education and national parks (National Parks series) by Ray Chapman-Taylor,  1971
 - Hidden Big Island of Hawaii: Including the Kona Coast, Hilo, Kailua, and Volcanoes National Park (Hidden Travel) by Ray Riegert,  2005-09-23
 - Read on: Park Road Clothes Show Level 6 by Rita Ray,  2004-05-20
 - Alan Turing: The Troubled Genius of Bletchley Park Hall (Makers of Modern Science) by Ray Spangenburg, Diane Kit Moser,  2010-12
 - History Owensboro Parks and Recreation 1815-1990 by Evan Ray Russell,  1990
 - A Cruising Guide to the Exuma Cays Land and Sea Park: Approaches, Routes, Anchorages, Flora, Fauna, History, and Lore of the Exuma Cays Land and Sea Park Including Sketch Charts by Stephen J Pavlidis, Ray Darville,  1994
 - A Pictorial Study of Mammoth Cave and Mammoth Cave National Park by W. Ray Scott,  1951
 - Paving the way: key to snow removal success is effective leadership.: An article from: Parks & Recreation by David Ray,  2005-01-01
 - IN OVER YOUR HEAD.(Marine Corps Base Camp Pendleton introduces underwater adventure)(Brief Article): An article from: Parks & Recreation by Ray Simon,  1998-12-01
 - Big Bend National Park: Land of Dramatic Contrasts and Scenic Grandeur by W. Ray Scott,  1966-01-01
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