Columbia subject headings:
Authors, Austrian--20th century--Biography.
Leppin, Paul, 1878-1945--Bibliography.
Leppin, Paul, 1878-1945.
Harvard subject headings:
Authors, Austrian--20th century--Biography
Leppin, Paul, 1878-1945--Bibliography.
Leppin, Paul, 1878-1945.
Princeton subject headings:
Leppin, Paul, 1878-1945.