Columbia subject headings:
Harvard subject headings:
Schönlank, Bruno, 1891-
Schönlank, Bruno, 1891---Bibliography.
Schönlank, Bruno, 1891-1965--Bibliography.
Schönlank, Bruno, 1891-1965.
Princeton subject headings:
Catalogs.
Schönlank, Bruno, 1891---Archives--Catalogs.