This guide provides a representative selection of biographical dictionaries and related works useful to the reference and collection development processes in all types of libraries. Three criteria were used in selection: (1) each item included was published within the past 12 years; (2) each item has been included in American Reference Books Annual (ARBA) or has been selected due to the importance of the work; and (3) each item contains substantial biographical information. A total of 1,180 titles are listed; each entry gives complete bibliographical information along with price and a critical evaluation. Part I, "International and National Biographies," lists international sources and national/regional sources. Part II, "Biographies in Professional Fields," is divided into the following sub-categories: history; geography; political science; military science; psychology, sociology and social work; law; business and economics; women's studies; ethnic studies; education; literature; applied arts; fine arts; music; communication and mass media; performing arts; folklore and mythology; philosophy and religion; library and information science; science and technology; health sciences; and sports and recreation. The book includes author/title and subject indexes. (DLS)