Columbia subject headings:
Barthel, Ludwig Friedrich, 1898-1962--Archives.
Barthel, Ludwig Friedrich, 1898-1962--Bibliography.
Barthel, Ludwig Friedrich, 1898-1962.
Monacensia Literaturarchiv und Bibliothek--Catalogs.
Poets, German--20th century--Bibliography.
Harvard subject headings:
Barthel, Ludwig Friedrich, 1898-1962--Bibliography.
German literature--Manuscripts--Catalogs.
Monacensia Literaturarchiv und Bibliothek--Catalogs.
Princeton subject headings:
Barthel, Ludwig Friedrich, 1898-1962--Archives.
Barthel, Ludwig Friedrich, 1898-1962--Bibliography.
Barthel, Ludwig Friedrich, 1898-1962.
Monacensia Literaturarchiv und Bibliothek--Catalogs.
Poets, German--20th century--Bibliography.