Preface. -- Introduction. -- Basic Definitions. -- Decisions Preliminary to Indexing. -- Document Interpretation Rule. -- Principles of Indexing. -- Identification of Subject Content. -- Guidelines for Indexing. -- Vocabulary Control: Its Rationale. -- Vocabulary Control: Thesauri. -- Macrothesaurus. -- Procedure for Selection of Descriptors. -- Proposal Rule. -- Bibliographic Record Worksheet. -- Uniterm System. -- Annex. -- Bibliography of Works Cited and Background Reading.