Special libraries face a lack of knowledge that they exist, and provide an invaluable service, and the mistaken belief that all information is easily accessible on the internet; role of library/librarian is to ensure the effective flow of information; role of library is to reinforce community, make collective knowledge accessible and comprehensible to all users, and build up a solid historical, geographical, political, economic and social memory; The main challenge for all Special Libraries is the adequate description, storage and access of this material.