Library
The Cambridge Philatelic Society maintains a library of philatelic literature available to members.
- W 196
Dutch Perfins · Enschede
BookPERFINS - W 190
Perfins of Australia (Victoria) · Toop · 1988
BookAUSTRALIAPERFINS - W 184
Perfins of British Malaya · Giffen · 1989
BookMALAYSIAPERFINS - W 186
Perfins of Bulgaria (In Bulgarian) · Popov & Weinbricht · 1993
BookBULGARIAPERFINS - W 189
Perfins of Ceylon & Sri Lanka · Ellis · 1988
BookPERFINSSRI LANKA - W 188
Perfins of China · Tiles
BookCHINAPERFINS - W 185
Perfins of Spain · Rodriguez (In Spanish) · 1985
BookPERFINSSPAIN - W 192
Swiss Perfins (CH) · Hurliman & Ganz · 1985
BookPERFINSSWITZERLAND