Mapping the National Parks
Mission 66 Visitor Centers (2000)
Mission Statements: Where We Need to GoLessons from Septima Clark (2003) (pdf)
Museum Curatorship in the National Park Service 1904-1982 (1993)
Museum Handbook (2010) (pdf)
National Monuments to National Parks (1989)
National Parks: The American Experience (1997)
National Parks-The Need of the Future (1913) (pdf)
National Park Service: The First 75 Years (1990)
National Parks and Education: The First Twenty Years (2002)
National Park Service Program of Conservation for Areas and Structures of National Historical Significance (1943)
National Park Service Uniforms: Badges and Insignia: 1894-1991 (1991)
National Park Service Uniforms: Badges and Uniform Ornamentation of the National Park Service (Revised 1997)
National Park Service Uniforms: In Search of an Identity, 1872-1920 (1994)
National Park Service Uniforms: Ironing Out the Wrinkles, 1920-1932 (1995)
National Park Service Uniforms: Breeches, Blouses, and Skirts, 1918-1991 (1998)
National Park Service Uniforms: The Developing Years 1932-1970 (1998)
National Park System Timeline (Annotated)
National Monument Proclamations under the Antiquities Act (2009) (pdf)
Native Americans, the Earliest Interpreters: What is Known About Their Legends and Stories of Yellowstone National Park and the Complexities of Interpreting Them(pdf) (2001)
"This paper is a shortened version of chapter one of the author's book STORYTELLING IN YELLOWSTONE: HORSE AND BUGGY TOUR GUIDES (Albuquerque: University of New Mexico Press, 2007), pp. 11-32."
New Research Mandate for America's National Park System (1999) (pdf)
"Oh, Ranger!" A Book about the National Parks - Web Edition (2004)
Origins of National Park Service Administration of Historic Sites (1971)
Organizational Structures of the National Park Service - 1917 to 1985 (1985)
Park Dates
Parks, Politics, and the People (1980)
Parks for America (1964)
Philanthropy and the National Parks (1998)
Philosophical Basis for National Park Management
Pilgrim Places: Civil War Battlefields, Historic Preservation, and America's First National Military Parks, 1863-1900 (2005) (pdf)
Presenting Nature: The Historic Landscape Design of the National Park Service (1916 to 1942)(1993)
Public Use of the National Park System 1872-2000 (1968) (pdf)
Quotes (Conservation, Parks and Natural Beauty) (1966) (pdf)
Rally on the High Ground: The National Park Service Symposium on the Civil War (2001)
Reading the Earth: From Wonder to Appreciation (2004) (pdf)
Report to the Secretary of the Interior: The Preservation of Historic Sites and Buildings (1935) (pdf)
Research and Education in the National Parks (1932)
Researching and Interpreting the Underground Railroad
Revision of the National Park Service Thematic Framework (1994)
Rustic Architecture 1916 - 1942
Science in the National Parks (1992)
Some Notes on Thematic and Multi-Park Administrative Histories (1998) (pdf)
The Antiquities Act of 1906 at Its Centennial (2006) (pdf)
The Antiquities Act-Setting Basic Preservation Policies (1996) (pdf)
The Bearer Has Permission (2004) (pdf)
The American Civil War and the Preservation of Memory (2002) (pdf)
The Beginnings of a New National Historic Preservation Program, 1957 to l966 (pdf)
The Civilian Conservation Corps and the National Park Service, 1933-1942