Columbia subject headings:
Harvard subject headings:
Freemasonry--Germany--History--20th century.
Freemasons--Germany--Biography.
Freemasons. Grossloge von Deutschland--History.
Germany--Biography.
Müffelmann, Leopold, 1881-1934.
Princeton subject headings:
Freemasonry--Germany--History--20th century.
Freemasons--Germany--Biography.
Freemasons. Grossloge von Deutschland--History.
Müffelmann, Leopold, 1881-1934.