The Library of Congress (LC) has increasingly created digital reproductions of visual materials to enhance access to its resources. This article describes selected aspects of LC's practical experience and current practices from digital capture through interactions with users, with an emphasis on the integration of access to pictorial images online…

Reports some of the progress made over the years toward exploring information beyond the text domain. Describes the Multimedia Analysis and Retrieval Systems (MARS), developed to increase access to non-textual information. Addresses the following aspects of MARS: (1) visual feature extraction; (2) retrieval models; (3) query reformulation…

Describes the transition of the Getty Center Photo Archive from a museum library serving a select curatorial clientele to a major art research library, and the resulting need to devise new cataloging schemes. The discussion covers efforts to reconcile existing cataloging formats with MARC formats. (CLB)

Develops a comprehensive, unified, explanatory theory of librarianship by first making an analogy to the unification of the fundamental forces of nature. Topics include dependent and independent variables; publishing; acquisitions; classification and organization of knowledge; storage, preservation, and collection management; collections; and…