Author
Brown, Margie Coffin, 1963-
2
Layton, Timothy W. 1974-
2
Sagamore Hill National Historic Site (Agency : U.S.)
2
Bellavia, Regina M., 1967-
1
Blue Spruce, Duane
1
Harpers Ferry Center (U.S.)
1
National Museum of the American Indian (U.S.)
1
Olmsted Center for Landscape Preservation (U.S.)
1
Olmsted Center for Landscape Preservation (U.S.),
1
Wallace, David H.
1