Columbia subject headings:
Germany--Biography.
Seyppel family.
Seyppel, Joachim, 1919-2012--Family.
Harvard subject headings:
Germany--Biography.
Seyppel family.
Seyppel, Joachim Hans, 1919---Family.
Princeton subject headings:
Authors, German--20th century--Biography.
Seyppel, Joachim, 1919-2012--Biography.