Selected from the last ten years of ARBA (1986-1996), with a number of new articles added, these reviews identify, describe, and evaluate subject dictionaries and encyclopedias that are useful in all types of libraries. Focus is on works still available, with only the most serviceable sources chosen for inclusion. Reviews discuss the usefulness or importance of a given work; its organization and contents; and its intended audience, special features, and strengths and weaknesses. Providing complete bibliographic information as well as reviews, this guide is an excellent tool for reference collection development. The reviews have been carefully re-edited and updated as necessary. Entries include title, author or editor, imprint, pagination, price, and ISBN. The organization of the text reflects the arrangement of ARBA, with 36 subject chapters divided into three main sections-Social Sciences, Humanities, and Science and Technology. Within chapters, works are arranged from the general to the specific,