Columbia subject headings:
Harvard subject headings:
Germany (East)--Social conditions
Köhler, Gert-Klaus, 1937---Childhood and youth.
Medical students--Germany--Leipzig--Biography.
Thomasschule (Leipzig, Germany)--Students--Biography.
Princeton subject headings:
Germany (East)--Social conditions.
Köhler, Gert-Klaus, 1937---Childhood and youth.
Medical students--Germany--Leipzig--Biography.
Thomasschule (Leipzig, Germany)--Students--Biography.