The PTT History Archive and Library (PTT Archive) houses the records of the Swiss PTT from 1849 to 1997 – some 4,500 lineal meters of original documents from the founding of the federal postal system in 1849 to its privatization and division into Swiss Post and Swisscom AG at the end of 1997. A few of the items stored in the archive predate 1849. The library devoted to PTT history comprises some 2,000 lineal meters of books, leaflets and periodicals.
Archive collections: Older administrative documents (selection of older administrative documents from the Swiss postal administration, dating back to before the foundation of the Swiss federal post office (PTT) in 1849); 1945 – 1997 (Documents from the post office and the telegraph/telephone administration, dating from just after World War II until 1997); collections of the former PTT library. The PTT-Archives can be searched through a database.
The Museum of Communication Library/PTT Archive comprises three libraries:
1. Historical Library at the PTT archive: The Special Academic Library at the PTT archive comprises around 35,000 publications and complements the archival collections of the PTT archive.
2. Philately Library at the Museum of Communication: Specialist literature, stamps and auction catalogues form the backbone of the library.
3. Reference library at the Museum of Communication: The reference library is comprised of specialist literature on the areas covered by both the permanent collections and temporary exhibitions.