Columbia subject headings:
Music publishers--Germany--Regensburg.
Music--Bibliography--Catalogs.
Music--Germany--Bibliography--Catalogs.
Publishers' catalogs--Germany.
Harvard subject headings:
Music publishers--Germany--Regensburg.
Music--Bibliography--Catalogs
Music--Germany--Bibliography--Catalogs.
Publishers' catalogs--Germany
Princeton subject headings:
Catalogs.
Music publishing--Germany--Regensburg--History--19th century.
Music publishing--Germany--Regensburg--History--20th century.
Music--Bibliography--Catalogs.
Publishers' catalogs--Germany.