Columbia subject headings:
McKain, David W.--Childhood and youth.
Pennsylvania--Social life and customs.
Poets, American--20th century--Biography.
Harvard subject headings:
McKain, David W.--Biography--Youth.
McKain, David W.--Childhood and youth.
Pennsylvania--Social life and customs.
Poets, American--20th century--Biography
Princeton subject headings:
McKain, David W.--Biography--Youth.
Pennsylvania--Social life and customs.
Poets, American--20th century--Biography.