- Master plan: City of Kalamazoo parks, recreation, cemeteries, facilities, services, programs : 1981-1991 by Ray R Purdin, 1981
- Historical report of buildings at Roosevelt's Elkhorn Ranch site at Theodore Roosevelt National Memorial Park by Ray H Mattison, 1960
- Huntington Beach State Park visitor's guide by Ray Sigmon, 2001
- G.I. Joe: Snake Eyes #2 IDW Comic Book by Kevin VanHook & Ray Park, 2009
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- G.I. Joe: Snake Eyes #3 IDW Comic Book by Kevin VanHook & Ray Park, 2009
- G.I. Joe: Snake Eyes #4 IDW Comic Book by Kevin VanHook & Ray Park, 2010
- GI Joe: Snake Eyes #1 Cover A by Kevin VanHook & Ray Park, 2009
- Geochemical prospecting, southeastern Park City, Utah by Ray E Gilbert, 1950
- Water quality in the Merced River above and below the El Portal Sewage Treatment Plant near Yosemite National Park, California, 1975-77 (Open-file report) by Ray J Hoffman, 1979
- Preliminary report: Subsistence activities, proposed Gates of the Arctic National Park by G. Ray Bane, 1977
- Developing a program of ministry at Lindley Park Baptist Church in response to the impact of selected religious cults by Ray William Benfield, 1977
- Glen Oak Park by Christopher Ray, 1998
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