| Author | Title | Edition | Format | Price | Puborg | 
		    
				
					| Organ Pipe Cactus NM | Victoria Mine Historic Structure Report, Organ Pipe Cactus National Monument Park | 1969 | PDF | Free | NatPkServ: | 
		    
				
					| Oxon Cove Park/Oxon Hill Farm | A Design for Oxon Hill Farm: Summary Statement | 1986 | PDF | Free | NatPkServ: | 
		    
				
					| Ozark National Scenic River | A Homeland and a Hinterland: Ozark National Scenic River HRS |  | Html | Free | NatPkServ: | 
		    
				
					| Pacific Northwest Region | An Archeological Survey Plan for the Pacific Islands Cluster, Pacific West Region, National Park Service | 2000 | PDF | Free | NatPkServ: | 
		    
				
					| Pacific Northwest Region | Final Fort Hunter Liggett Special Resource Study | 2006 | PDF | Free | NatPkServ: | 
		    
				
					| Pacific Northwest Region | Hawaii History, 1778-1910, The National Survey of Historic Sites Buildings, Theme XXI, Political Military Affa | 1962 | PDF | Free | NatPkServ: | 
		    
				
					| Pacific Northwest Region | Peleliu National Historical Park Study Preliminary Draft | 1991 | Html | Free | NatPkServ: | 
		    
				
					| Pacific Northwest Region | Proceedings of the Fourth Conference on Research in California National Parks | 1993 | PDF | Free | NatPkServ: | 
		    
				
					| Pacific Northwest Region | Special History Study North Field Historic District Tinian Commonwealth of the Northern Mariana Islands | 2001 | Html | Free | NatPkServ: | 
		    
				
					| Pacific Northwest Region | The Mother Lode Country, California | 1966 | PDF | Free | NatPkServ: | 
		    
				
					| Pacific Northwest Region | The Story of the Columbia Basin Project | 1964 | Html | Free | NatPkServ: | 
		    
				
					| Padover, Saul K. (ed.) | Thomas Jefferson & the National Capital ... 1783-1818 [Source Bk Ser. 4; intro Harold Ickes] | 1946 Wash. | Html | Free | NatPkServ | 
		    
				
					| Padre Island National Seashore | Novillo Line Camp Historic Structure Report, Padre Island National Seashore | 1979 | Html | Free | NatPkServ: | 
		    
				
					| Padre Island National Seashore | Padre Island National Seashore Administrative History | 1999 | Html | Free | NatPkServ: | 
		    
				
					| Padre Island National Seashore | Padre Island National Seashore Historic Resource Study | 1971 | Html | Free | NatPkServ: | 
		    
				
					| Padre Island National Seashore | Padre Island National Seashore: A Guide to the Geology, Natural Environments, and History of a Texas Barrier I | 1980 | Html | Free | NatPkServ: | 
		    
				
					| Palmer, Theodore Sherman, 1868-1955 | National Monuments as Wild-life Sanctuaries  [Game protection; National park conference] | 1917 GPO | PDF Kindle EPub | Free | Libr Congress | 
		    
				
					| Palmer, Theodore Sherman, 1868-1955 | National Monuments as Wild-life Sanctuaries. Address  [Natl. Park Conf.; Game protection - West US] | 1917 GPO | PDF Kindle EPub | Free | UCalifornia | 
		    
				
					| Palo Alto Battlefield | A Thunder of Cannon: Archeology of the Mexican-American War Battlefield of Palo Alto | 1994 | Html | Free | NatPkServ: | 
		    
				
					| Parent, Laurence | Hiking Big Bend National Park | 1996 | NetLibr (Ebsco) | 12.95 | FalconPrPub | 
		    
				
					| Peabody, Henry Greenwood, 1855-1951 | Illustrated Catalogue, lantern slides of the National Parks | 192-?Pasadn | PDF Kindle EPub | Free | UCalifornia | 
		    
				
					| Pecos National Historical Park | Feasibilty Study for Pidgeon's Ranch, Glorieta Pass Battlefield | 1985 | PDF | Free | NatPkServ: | 
		    
				
					| Pecos National Historical Park | From Folsom to Fogelson: The Cultural Resources Inventory Survey of Pecos National Historical Park, Volumes 1 | 2002 | Html | Free | NatPkServ: | 
		    
				
					| Pecos National Historical Park | Glorieta Pass: Gateway to the Past | 2007 | PDF | Free | NatPkServ: | 
		    
				
					| Pecos National Historical Park | Kiva, Cross, and Crown: The Pecos Indians and New Mexico, 1540-1840 | 1978 | Html | Free | NatPkServ: | 
		    
				
					| Pecos National Historical Park | Pecos National Historic Park Special Sites Study | 1992 | PDF | Free | NatPkServ: | 
		    
				
					| Pecos National Historical Park | Pigeon's Ranch Historic Structure Report: Historical Data Section, Pecos National Historic Park | 2008 | PDF | Free | NatPkServ: | 
		    
				
					| Pecos National Historical Park | The Spanish Colonial Architecture of Pecos Pueblo, New Mexico | 2005 | Html | Free | NatPkServ: | 
		    
				
					| Penaloza, Linda J. | Boater attitudes & experiences: Results of the 1989-1990 Wisconsin recreational boating study, phase 2  (Wisc. | 1992 | Html | Free | UWiscMadison | 
		    
				
					| Perry's Victory and International Peace | A Construction History of the Perry's Victory and International Peace Memorial, Part I | 1961 | PDF | Free | NatPkServ: | 
		    
				
					| Perry's Victory and International Peace | A Construction History of the Perry's Victory and International Peace Memorial, Part II | 1961 | PDF | Free | NatPkServ: | 
		    
				
					| Perry's Victory and International Peace | Perry's Victory and International Peace Memorial 1996 Visitor Use Study | 1996 | PDF | Free | NatPkServ: | 
		    
				
					| Perry's Victory and International Peace | Perry's Victory and International Peace Memorial Column and Plazas, Historic Structure Report | 1976 | PDF | Free | NatPkServ: | 
		    
				
					| Perry's Victory and International Peace | Perry's Victory and International Peace Memorial Cultural Landscape Report | 1996 | PDF | Free | NatPkServ: | 
		    
				
					| Perry's Victory and International Peace | Perry's Victory and International Peace Memorial Historic Structures Report, Part 1, Building No, 2-Memorial S | 1963 | PDF | Free | NatPkServ: | 
		    
				
					| Peterson, James A. (James Albert) | Risk Management For Park, Recreation, & Leisure Services | 1992 | NetLibr (Ebsco) | 26.95 | SagamorePub | 
		    
				
					| Petrified Forest NP | Petrified Forest National Monument Guidebook_1941 | 1941 | Html | Free | NatPkServ: | 
		    
				
					| Petrified Forest NP | Petrified Forest National Monument Guidebook_1961 | 1961 | Html | Free | NatPkServ: | 
		    
				
					| Petrified Forest NP | Report on Wind Cave NP, Sullys Hill Park, Casa Grande Ruins, Muir Woods, Petrified Forest & National Monuments | 1914 | Html | Free | NatPkServ: | 
		    
				
					| Petrified Forest NP | The Archeology of Sivu'ovi: The Archaic to Basketmaker Transition at Petrified Forest National Park | 2006 | PDF | Free | NatPkServ: | 
		    
				
					| Petrified Forest NP | The Painted Desert Inn: Evaluation of Structures and Cultural Resources | 1974 | Html | Free | NatPkServ: | 
		    
				
					| Petrified Forest NP | The Petrified Forest Through the Ages: 75th Anniversary Symposium, November 7, 1981 | 1985 | PDF | Free | NatPkServ: | 
		    
				
					| Petrified Forest NP | The Petrified Forests of Arizona | 1899 | Html | Free | NatPkServ: | 
		    
				
					| Pictured Rocks NL | History of Fish and Fisheries in the Pictured Rocks National Lakeshore |  | PDF | Free | NatPkServ: | 
		    
				
					| Pictured Rocks NL | Picture Rocks National Lakeshore: Au Sable Light Station Historic Structure Report | 1978 | PDF | Free | NatPkServ: | 
		    
				
					| Pictured Rocks NL | Submerged Cultural Resource Study: Picture Rocks National Lakeshore | 1989 | PDF | Free | NatPkServ: | 
		    
				
					| Pictured Rocks NL | The Pictured Rocks: An Administrative History of Pictured Rocks National Lakeshore | 1995 | Html | Free | NatPkServ: | 
		    
				
					| Pinnacles NM | Administrative History of Pinnacles National Monument | 1979 | PDF | Free | NatPkServ: | 
		    
				
					| Pinnacles NM | Pinnacles National Monument Museum Management Plan | 2005 | PDF | Free | NatPkServ: | 
		    
				
					| Pipe Spring NM | Cultures at a Crossroads: An Administrative History of Pipe Spring National Monument | 2000 | Html | Free | NatPkServ: | 
		    
				
					| Pipe Spring NM | Historic Furnishing Report, Windsor Castle (HS-1), East Cabin (HS-2) and West Cabin (HS-3), pipe Spring Nation | 2000 | PDF | Free | NatPkServ: | 
		    
				
					| Pipe Spring NM | WinsorCastle (HS-1), East Cabin (HS-2), and West Castle (HS-3), Historic FurnishingReport, Pipe Spring nationa |  | PDF | Free | NatPkServ: | 
		    
				
					| Pipestone NM | A History of Pipestone National Monument, Minnesota | 1965 | Html | Free | NatPkServ: | 
		    
				
					| Piscataway Park | Piscataway Park Marshall Hall Historic Structure Report: Architectural Data Section | 1983 | PDF | Free | NatPkServ: | 
		    
				
					| Point Reyes NS | "The Is No More Extensive Dairy in the Township" The History and Architecture of the Upper Pierce Ranch 1856-1 | 1986 | PDF | Free | NatPkServ: | 
		    
				
					| Point Reyes NS | A Good Life: Dairy Farming in the Olema Valley, Golden Gate National Recreation Area & Point Reyes National Se | 1995 | PDF | Free | NatPkServ: | 
		    
				
					| Point Reyes NS | Golden Gate Point Reyes General Management Plan Environmental Analysis | 1980 | PDF | Free | NatPkServ: | 
		    
				
					| Point Reyes NS | Hamlet: 1844-1988, A History of "Jensen's Oyster Beds" Golden Gate National Recreation Area | 1989 | PDF | Free | NatPkServ: | 
		    
				
					| Point Reyes NS | Managing a Land in Motion: An Administrative History of Point Reyes National Seashore | 2007 | PDF | Free | NatPkServ: | 
		    
				
					| Point Reyes NS | Point Reyes National Seashore Museum Management Plan | 2005 | PDF | Free | NatPkServ: | 
		    
				
					| Point Reyes NS | Point Reyes Submerged Cultural Resources Survey, Phase 1 Reconnaissance, Sessions 1 & 2 | 1982 | PDF | Free | NatPkServ: | 
		    
				
					| Point Reyes NS | Ranching on the Point Reyes Peninsula | 1993 | PDF | Free | NatPkServ: | 
		    
				
					| Point Reyes NS | Submerged Cultural Resources Inventory |  | PDF | Free | NatPkServ: | 
		    
				
					| Point Reyes NS | The History and Architecture of the Point Reyes Light Station | 1990 | PDF | Free | NatPkServ: | 
		    
				
					| Pony Express NHT | Pony Express National Historic Trail Historic Resource Study | 1994 | Html | Free | NatPkServ: | 
		    
				
					| Pony Express NHT | Pony Express Stations of Utah in Historical Perspective | 1979 | Html | Free | NatPkServ: | 
		    
				
					| Pu'uhonua o Honaunau NHP | A Cultural History of Three Traditional Hawaiian Sites on the West Coast of Hawai'i Island |  | Html | Free | NatPkServ: | 
		    
				
					| Pu'uhonua o Honaunau NHP | The Natural and Cultural History of Honaunau, Kona, Hawaii | 1986 | PDF | Free | NatPkServ: | 
		    
				
					| Pu'uhonua o Honaunau NHP | The Natural and Cultural History of Honaunau, Kona, Hawaii: v 1, The Natural History of Honaunau |  | PDF (1957) | Free | NatPkServ: | 
		    
				
					| Pu'uhonua o Honaunau NHP | The Natural and Cultural History of Honaunau, Kona, Hawaii: v 2, The Cultural History of Honaunau | 1957 | PDF | Free | NatPkServ: | 
		    
				
					| Pu'uhonua o Honaunau NHP | West Hawai'i Parks Museum Management Plan | 2004 | PDF | Free | NatPkServ: | 
		    
				
					| Puukohola Heiau NHS | A Cultural History of Three Traditional Hawaiian Sites on the West Coast of Hawai'i Island |  | Html | Free | NatPkServ: | 
		    
				
					| Puukohola Heiau NHS | Pahukanilua: Homestead of John Young, Historic Structure Report, Historical Data Section | 1978 | PDF | Free | NatPkServ: | 
		    
				
					| Rainbow Bridge NM | The Great "Race" to "Discover" Rainbow Natural Bridge in 1909 |  | Html | Free | NatPkServ: | 
		    
				
					| Rawnsley, Hardwicke Drummond, 1851-1920 | A Nation's Heritage  [National Trust (Great Britain); National parks & reserves -- England; Historic buildings | 1920] Lond. | PDF Kindle EPub | Free | UCLA |