This programmed course consists of four lessons which cover the general principles of indexing, the specific methods of coordinate indexing, and the use of the Educational Resources Information Center (ERIC) Thesaurus. In the first volume the five appendices contain: (1) an index to the major themes of the course, (2) some definitions of form categories used in Lesson 2, (3) a bibliography of 67 items related to indexing, classification and thesaurus building, (4) three demonstration documents used in Lessons 3 and 4, and (5) a sample form for candidate descriptors. Lessons 1 and 2 are contained in volume 2 of the series (LI 000 815), and lessons 3 and 4 in volume 3 (LI 000 816). (CM)