This document discusses the cataloging of nonbook materials, including definitions, categories, and descriptive cataloging. It outlines the sources of information, access points, areas of description, and rules for transcribing title, edition, publication, physical description, and other areas. Differences from book cataloging include additional material specific details areas and variations in physical description transcription depending on material type. Similarities include punctuation, main/added entries, subject headings, and transcription of some description areas.