REMOVE

1. Songbooks, German
2. Germany. Luftwaffe--Songs an …
3. Germany
4. Husadel, Hans Felix
5. Koch-Gotha, Fritz, 1877-1956 …
6. Koch-Gotha, Fritz, 1877-1956 …

WHAT

1. National socialism and mu … (1)
2. Nazi propaganda (1)
3. Songbooks, German (1)
4. Songs, German--Germany (1)

WHO

1. Clewing, Carl, 1884-1954 (1)
2. Husadel, Hans Felix (1)
3. Koch-Gotha, Fritz, 1877-1 … (1)

WHEN

1. 1939 (1)