Author
Becher, Drew
1
Central Electric Railfans' Association
1
DeGraw, Ronald, 1942-2006,
1
Elliott, Joseph E. B.,
1
Evans, Janet
1
Hildebrandt, Rachel
1
Lemheney, Sam
1
Old York Road Historical Society
1
Pennsylvania Horticultural Society
1
Pezzati, Alessandro
1
Popkin, Nathaniel R.,
1
Poxon, Marita Krivda
1
Sebree, G. Mac 1932-2010,
1
Springirth, Kenneth C.
1
University of Pennsylvania. Museum of Archaeology and Anthropology
1
Wolgemuth, Rachel,
1
Woodall, Peter,
1
Yaster, Carol,
1