Columbia subject headings:
Farm life--Pennsylvania.
Pennsylvania Dutch--Social life and customs.
Pennsylvania--Social life and customs.
Threshing--Pennsylvania.
Harvard subject headings:
Farm life--Pennsylvania.
Pennsylvania Dutch--Social life and customs.
Pennsylvania--Social life and customs.
Threshing--Pennsylvania.
Princeton subject headings:
Farm life--Pennsylvania.
Pennsylvania Dutch--Social life and customs.
Pennsylvania--Social life and customs.
Threshing--Pennsylvania.