This guide to services of the reference department of Fenwick Library, George Mason University, is intended for use by staff in the department, as well as the general public. Areas covered include (1) reference desk services to users; (2) reference desk support procedures; (3) off desk services; (4) collection development, including staff responsibilities, types of materials, ordering procedures, and maintenance of the reference collection; and (5) department composition and organization. Appendices contain sample forms for keeping reference statistics, assignment sheets for reference collection development, special permission forms, a library order request card, and descriptions of the positions of reference library chairperson, reference librarian, interlibrary loan coordinator, and reference assistant. (FM)