Columbia subject headings:
Harvard subject headings:
Authors, German--19th century.
Heads of state--Germany--Biography.
Hitler, Adolf, 1889-1945--Books and reading.
Hitler, Adolf, 1889-1945--Knowledge and learning.
May, Karl, 1842-1912--Influence.
Princeton subject headings:
Authors, German--19th century.
Heads of state--Germany--Biography.
Hitler, Adolf, 1889-1945--Books and reading.
Hitler, Adolf, 1889-1945--Knowledge and learning.
May, Karl, 1842-1912--Influence.