Columbia subject headings:
Ku Klux Klan (1915- )
Reconstruction.
Harvard subject headings:
Ku Klux Klan (19th century)
Reconstruction (U.S. history, 1865-1877)
Reconstruction.
Princeton subject headings:
Ku Klux Klan (19th century)
Reconstruction (U.S. history, 1865-1877)