The Deutsche Grammophon GmbH (since 1937) headquarters were based in Hanover between 1932 and 1956. Before that they were based in Berlin, in 1956 the headquarters moved to Hamburg.
Use Deutsche Grammophon Hamburg where it appears as Deutsche Grammophon, Hamburg, Deutsche Grammophon Gesellschaft, Hamburg, or a variation.
Use Deutsche Grammophon GmbH (1938-present) where it appears as such, or a variation of that name (for instance Deutsche Grammophon Gesellschaft mbH.)
Use Deutsche Grammophon where Deutsche Grammophon or Deutsche Grammophon Gesellschaft is used as label.
Use Deutsche Grammophon Gesellschaft where the Deutsche Grammophon or Deutsche Grammophon Gesellschaft trademark is used for a company credit.
Use Deutsche Grammophon-Aktiengesellschaft (1900-1937), where it appears as such, or a variation of that name (for instancel Deutsche Grammophon AG.)
For lacquer cut & pressing roles, there is Deutsche Grammophon Gesellschaft Pressing Plant (1945-1972), this name will not appear on any record, but can be derived from the runouts.
