Columbia subject headings:
Booksellers and bookselling--Germany--Biography.
Picard, Fritz, 1888-1973.
Harvard subject headings:
Booksellers and bookselling--Germany--Biography.
Picard, Fritz (Friedrich Ernst), 1888-1973.
Princeton subject headings:
Booksellers and bookselling--Germany--Biography.
Picard, Fritz, 1888-1973.