Columbia subject headings:
Harvard subject headings:
Football players--Germany--Biography.
Jewish athletes--Germany--Biography.
Jews--Germany--Biography.
Jews--Sports--Germany--History--20th century--Biography.
National socialism and sports.
Nazi concentration camp inmates--Germany--Correspondence
Stock, Martin Abraham, 1892-1970.
Princeton subject headings:
Football players--Germany--Biography.
Jewish athletes--Germany--Biography.
Jews--Sports--Germany--History--20th century--Biography.
National socialism and sports.
Nazi concentration camp inmates--Germany--Biography.
Stock, Martin Abraham, 1892-1970.