Author
Kaňka-Průhonický, Václav, 1896-
2
Anderson, Will, 1940-
1
Arrigale, Lawrence M.
1
Becher, Drew
1
Bronner, Simon J.,
1
Evans, Janet
1
Fourhman-Shaull, Lila,
1
Friends of Roebling (N.J.)
1
Garris, Arthur
1
Keels, Thomas H.
1
Lemheney, Sam
1
Lloyd, June Burk,
1
Mathis, Mike,
1
Miller, Lewis, 1796-1882
1
Mithlo, Nancy Marie,
1
National Museum of the American Indian (U.S.)
1
Pennsylvania Horticultural Society
1
Preisler, Julian H.
1
Stockbridge, Jeffrey,
1
Summa, Frank
1
Summa, Marie
1