Asset fixity, non-reversibilities and dynamic structure of production a micro-application to Pennsylvania dairy farms. ανά Chang, Ching-Cheng

Public art in Philadelphia ανά Bach, Penny Balkin

The egg tree ανά Milhous, Katherine 1894-

Ghosts of Gettysburg spirits, apparitions and haunted places of battlefield ανά Nesbitt, Mark

The colossus of 1812 an American engineering superlative ανά Nelson, Lee H.

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Growing together-- early childhood education in Pennsylvania

Schoolworks reinventing public schools to create the workforce of the future : innovations in education and job training from Sweden, West Germany, France, Great Britain, and Phila... ανά Nothdurft, William E.

Philadelphia in transition a demographic history of the city and its occupational groups, 1720-1830 ανά Klepp, Susan E.

Decorative arts of the Amish of Lancaster County ανά McCauley, Daniel

The best of Amish cooking traditional and contemporary recipes adapted from the kitchens and pantries of Old order Amish cooks ανά Good, Phyllis Pellman