Book excerpt: Gain access to the vast number of historical statistics contained in census publications with this guide. Intended to increase the usefulness of Henry J. Dubester's standard bibliography of historical U.S. census publications (Catalog of United States Census Publications, 1790-1945), this work adds a section of supplemental entries (including SuDocs classification numbers) to the original bibliography and subject index. This section is followed by Dubester's original subject index, then by indexes not found in his original bibliography-title, series and report number, and SuDocs classification number. The book also provides additional information on serials, such as changes in title or SuDocs number. Location information for census publications produced in more than one form (e.g., as part of the Congressional Serial Set) is included. This guide makes it unnecessary for librarians and library users to search twice for publications-in one source to identify them and in another source to find their S