Columbia subject headings:
Appalachians (People)
Appalachians (People)--Social life and customs.
Frontier Nursing Service, Inc.
Frontier Nursing Service, Inc.--History.
Kentucky--Nursing--History.
Kentucky--Social life and customs.
Nurses--Kentucky.
Nursing--Kentucky--History.
Harvard subject headings:
Appalachians (People)
Frontier Nursing Service, Inc.
Kentucky--Social life and customs
Nurses--Kentucky.
Princeton subject headings:
Appalachians (People)
Frontier Nursing Service, Inc.
Kentucky--Social life and customs.
Nurses.
Nursing.