London Street Listings Index in 1921.
Mercer Street, 122 Long Acre to 17 Castle Street (WC2) (Westminster)
17
Mercers
Arms, Edward Pryce Innocent
21 Mosses Alex Ltd, Automobile Engineers
21 Mosses Alex radiator Co Ltd
20 Mercedes Concessionaires Ltd, Motor Car Agents
20 Fisslthaler Chas, Lager Beer Importer