Columbia subject headings:
Johnson, Keen, 1896-1970.
Kentucky--Politics and government--1865-1950--Sources.
Harvard subject headings:
Johnson, Keen, 1896-
Johnson, Keen, 1896-1970
Kentucky--Politics and government--1865-1950--Sources.
Princeton subject headings:
Johnson, Keen, 1896-1970.
Kentucky--Politics and government--1865-1950--Sources.