Search the historical London street directory, and London pub history site including early street addresses in London through the Victorian pub history of London. This search engine is not brilliant, try address searches in the main google search to get better results. Searches on people names do appear to work, I think. Let me know!
Directory of Pubs in the UK, historical public houses, Taverns, Inns, Beer Houses and Hotels in Buckinghamshire. The Buckinghamshire listing uses information from census, Trade Directories and History to add licensees, bar staff, Lodgers and Visitors.
Dutton, Allen & Co 1863 Directory
Gerrards Cross was carved artificially out of bits of Fulmer, Upton, Chalfornt St Peter only in 1859, so the census returns may not be entirely true.
|Bull Hotel, The Common, Gerrards Cross, Buckinghamshire||Yes||Yes|
|French Horn, The Common, Gerrards Cross, Buckinghamshire||No||Yes|
|Pack Horse, The Common, Gerrards Cross, Buckinghamshire||Yes||Yes|