Columbia subject headings:
Harvard subject headings:
Pfaff, Ella, 1898-1989--Correspondence.
Pfaff, Hans, 1891-1963--Correspondence.
Pfaff, Hans-Peter, 1925-1944--Correspondence.
Soldiers--Germany--Correspondence
Wolfenbüttel (Germany)--Biography.
World War, 1939-1945--Personal narratives, German.
Princeton subject headings:
Pfaff, Ella, 1898-1989--Correspondence.
Pfaff, Hans, 1891-1963--Correspondence.
Pfaff, Hans-Peter, 1925-1944--Correspondence.
Soldiers--Germany--Correspondence.
Wolfenbüttel (Germany)--Biography.
World War, 1939-1945--Personal narratives, German.