B. Information use and sociology of information BB. Bibliometric methods I. Information treatment for information services BG. Information dissemination and diffusion BA. Use and impact of information H. Information sources channels supports J. Technical services in libraries L. Information technology and library technology archives museum AA. Library and information science as a field HA. Periodicals HS. Repositories ID. Knowledge representation Newspapers A. Theoretical and general aspects of libraries and information AB. Information theory and library theory BH. Information needs and information requirements analysis BI. User interfaces CB. User studies DC. Public libraries DK. Health libraries EB. Printing FD. Public relations FE. Personnel management GH. Education GI. Training GZ. None of these HB. Gray literature HL. Databases and database Networking IB. Content analysis (A and I IC. Index languages IJ. Reference work JB. Serials management Medical libraries broadcasting but in this section class.) electronic publishing processes and schemes usability