Columbia subject headings:
Harvard subject headings:
Imhoff, Willibald, 1519-approximately 1579--Archives.
Pirckheimer, Willibald, 1470-1530--Archives.
Princeton subject headings:
Imhoff, Willibald, 1519-approximately 1579--Archives.
Pirckheimer, Willibald, 1470-1530--Archives.