"Nationalpark." . . "National parks and reserves." . . "Recht." . . "1864-1992" . . . . "Parcs nationaux États-Unis Histoire Sources." . . "United States." . . "Parcs nationaux Droit États-Unis Législation." . . "Geschichte 1864-1992" . . "Geschichte 1864-1992." . "Naturschutz." . . "Management." . . "HISTORY State & Local General." . . "USA." . . . . . . . . . . . . . "America's national park system the critical documents"@en . . "Electronic books"@en . . . . . "History" . "History"@en . . "Sources" . "Sources"@en . . . "Acclaimed as a fundamental resource on the creation, development, and management of America's national park system, this documentary collection is now in paperback for use by students and individual scholars."@en . . . . . . . . . . . . . . . . "America's national park system : the critical documents"@en . "America's national park system : the critical documents" . "National parks and reserves United States History Sources." . . "National parks and reserves Law and legislation." . . "Parcs nationaux États-Unis Droit Législation." . . "Geschichte." . . "National parks and reserves Law and legislation United States." . . "Naturschutzrecht." . .