Howard Zahniser discussing the proposed National Wilderness Preservation System with Senator Lee Metcalf.
Wilderness Act (draft February 28, 1956)
Wilderness Act (draft, March 19, 1956)
Wilderness Act's National Wilderness Preservation System.
1964
Wilderness Act (Senate bill S. 4013, June 7, 1956)
Wilderness Act (House bill H.R. 11703, June 11, 1956)
Message from the President of the United States transmitting National Wilderness Preservation System (in: Living Wilderness, Number 87, Winter 1964-65)
1965