Columbia subject headings:
Harvard subject headings:
Authors, German--20th century--Correspondence
Hartlaub, Felix, 1913-1945?
World War, 1939-1945--Personal narratives, German
Princeton subject headings:
Authors, German--20th century--Correspondence.
Hartlaub, Felix, 1913-1945?
World War, 1939-1945--Personal narratives, German.