Buckinghamshire Historical Directories.....
Musson and Craven's Commercial Directory of the County of Buckingham and the Town of Windsor; containing an alphabetical list of the nobility, gentry, merchants, professions, trades, etc., and separate historical and topographical descriptions of all the towns, parishes... 1853
J.G. Harrod & Co.'s Royal County Directory of Bedfordshire, Buckinghamshire, Berkshire, Oxfordshire, Huntingdonshire, and Northamptonshire. 
Robson's Commercial Directory of the six counties forming the Norfolk circuit: viz: Beds, Bucks, Cambridgeshire, Hunts, Norfolk, and Suffolk, with Oxfordshire... 
Kelly's Directory Buckinghamshire 8 Volumes
Buckinghamshire Directory Years 1883,1889,1899,1903,1907,1911,1915
+ Bonus of Buckinghamshire Berkshire and Oxon 1883