"It is a hard country, though" : historic resource study, Bering Land Bridge National Preserve /

by Williss, George F., 1939-
[Denver, Colo. : Denver Service Center], National Park Service, U.S. Dept. of the Interior, 1986

"Do things right the first time" : the National Park Service and the Alaska National Interest Lands Conservation Act of 1980 /

by Williss, George F., 1939-
[Washington, D.C.?] : U.S. Dept. of Interior, National Park Service, 1985

"It is a hard country, though" : historic resource study, Bering Land Bridge National Preserve /

by Williss, George F., 1939-
[Wasington, D.C.?] : U.S. Dept. of the Interior, National Park Service, 1986

"Do things right the first time" : the National Park Service and the Alaska National Interest Lands Conservation Act of 1980 /

by Williss, George F., 1939-
Denver : [Washington, D.C.] : U.S. Dept. of Interior, National Park Service ; [U.S. G.P.O.], 1985

"It is a hard country, though" : historic resource study, Bering Land Bridge National Preserve /

by Williss, George F., 1939-
[Washington, D.C.?] : U.S. Dept. of the Interior, National Park Service, 1986

"Do things right the first time" the National Park Service and the Alaska National Interest Lands Conservation Act of 1980 /

by Williss, George F., 1939-
[Denver, Colo.?] : U.S. Dept. of Interior, National Park Service, 1985

"Do things right the first time" : the National Park Service and the Alaska National Interest Lands Conservation Act of 1980 /

by Williss, George F., 1939-
[Denver, Colo.] : U.S. Dept. of Interior, National Park Service, 1985

"Do things right the first time" : the National Park Service and the Alaska National Interest Lands Conservation Act of 1980 /

by Williss, George F., 1939-
[Washington, D.C.?] : U.S. Department of Interior, National Park Service, 1985

"It is a hard country, though" : historic resource study, Bering Land Bridge National Preserve /

by Williss, George F., 1939-
[Washington, D.C.?] : U.S. Department of the Interior, National Park Service, 1986

Writings on American history, 1962-73 : a subject bibliography of articles /

by Dougherty, James J., 1939-, Williss, George F., 1939-, Sader, Marion
Washington : American Historical Association, 1976

Administrative history expansion of the National Park Service in the 1930s /

by Unrau, Harlan D.
Denver, Colo. : Denver Service Center, National Park Service, 1983

Administrative history : expansion of the National Park Service in the 1930s /

by Unrau, Harlan D.
Denver, Colo. : Denver Service Center, National Park Service, 1983

Writings on American history, 1962-73 : a subject bibliography of articles /

by Dougherty, James J., 1939-
Washington : American Historical Association, 1976

Writings on American history, 1974-75 : a subject bibliography of articles /

Washington, D.C. : American Historical Association, 1975