Directory of Special Libraries and Information Centers provides detailed contact and descriptive information on more than 34,800 subject-specific resource collections maintained by various government agencies, businesses, publishers, educational and nonprofit organizations, and associations around the world. Directory of Special Libraries and Information Centers is published in two volumes (available separately): Volume 1 (in three parts) provides detailed contact and descripti information on subject-specific resource collections maintained by various government agencies, businesses, publishers, educational and nonprofit organizations, and associations around the world. In addition, Vol. 1 features seven appendixes and a comprehensive subject index and is available with or without an inter-edition supplement. Volume 2, Geographic and Personnel Indexes, provides access to profiled libraries by geographic region, as well as by the professional staff that are cited in each listing.