Columbia subject headings:
Authors, German--20th century--Biography.
Gerlach, Heinrich, 1908-1991--Imprisonment.
Gerlach, Heinrich, 1908-1991--Political activity.
Germany--Armed Forces--Officers--Biography.
Nationalkomitee "Freies Deutschland."
Stalingrad, Battle of, Volgograd, Russia, 1942-1943.
World War, 1939-1945--Campaigns--Eastern Front--Personal narratives, German.
World War, 1939-1945--Prisoners and prisons, Soviet.
Harvard subject headings:
Authors, German--20th century--Biography
Gerlach, Heinrich, 1908-1991--Imprisonment.
Gerlach, Heinrich, 1908-1991--Political activity.
Germany. Wehrmacht--Officers--Biography.
Nationalkomitee "Freies Deutschland."
Stalingrad, Battle of, Volgograd, Russia, 1942-1943
World War, 1939-1945--Campaigns--Eastern Front--Personal narratives, German.
World War, 1939-1945--Prisoners and prisons, Soviet.
Princeton subject headings:
Authors, German--20th century--Biography.
Gerlach, Heinrich, 1908---Imprisonment.
Gerlach, Heinrich, 1908---Political activity.
Germany. Wehrmacht--Officers--Biography.
Nationalkomitee "Freies Deutschland"
Stalingrad, Battle of, Volgograd, Russia, 1942-1943.
World War, 1939-1945--Campaigns--Eastern Front--Personal narratives, German.
World War, 1939-1945--Prisoners and prisons, Soviet.