Commonly known as IHLIA, this is the biggest gay/lesbian/transgender archive in Europe. Here is the place to find old books, documents, posters, pamphlets etc. relating to the gay/lesbian movement.
It is located on the 6th floor (floor number 6) of the Public Libary (OBA).
It started under the name of Homodok, later it changed the name to Ihlia.
IHLIA - Homodok