Columbia subject headings:
Echolot.
German diaries--History and criticism.
World War, 1939-1945--Historiography.
Harvard subject headings:
German diaries--History and criticism.
Kempowski, Walter. Echolot.
World War, 1939-1945--Historiography.
Princeton subject headings:
Echolot.
Fiction.
German diaries--History and criticism.
World War, 1939-1945--Historiography.