Four volumes provide over 50,000 company names, addresses, trade names, phone numbers of industrial entries, as well as addresses and phone numbers of local sales offices and distributors. DIRECTORY OF INDUSTRY DATA SOURCES. Ballinger Publishing Company, Harper & Row, Publishers, Inc., 54 South Church Street, Cambridge, MA 02138. § Lists 3,000 publishers of industry data sources including bibliographic and source data bases, indexing and abstracting services, and market research firms; describes monographs, surveys, periodical special issues, market studies, etc., covering 65 industries. Lists company names, address and phone. Arranged alphabetically and by type of publication service. § Three volumes cover the United States and Canada. Two volumes cover Western Europe. NATIONAL TRADE AND PROFESSIONAL ASSOCIATIONS OF THE U.S. Columbia Books, Inc., 1350 New York Avenue, N.W., Suite 207, Washington, D.C. 20005. (Annual in January) § Lists over 6,000 entries including name, year established, name of chief executive, address, phone number of staff members, budget, size of membership; date, expected attendance, and location of annual meeting; publications; historical and descriptive data. Arranged alphabetically and by geographical, subject, budget, and acronym. DIRECTORY OF U.S. LABOR ORGANIZATIONS. BNA Books, Bureau of National Affairs, Inc., 1231 25th Street, N.W., Washington, D.C. 20037. (Biennial, fall of even years) § Lists over 200 national unions, professional and state employee associations engaged in labor representation. Includes name, address, names of elected officials and department heads, publications, conventions, membership figures, number of locals. § Separate sections for AFL-CIO, railroad unions, other federations, and for individual national unions. Arranged alphabetically by personal name. CONSULTANTS AND CONSULTING ORGANIZATIONS DIRECTORY. Gale Research Inc., Book Tower, Detroit, MI 48226. § Lists more than 26,000 consulting organizations and consultants in two volumes. § Arranged by industry, by consulting functional category, by geographic location, by personal name, and by consulting firm. § Includes name, address, website, telephone, principal executives, staff size, purpose, and activity. DIRECTORY OF CONSULTANTS. National Association of Regulatory Utility Commissioners, Box 684, Washington, D.C. 20044. (Annual in December) § Lists consultants and consulting firms active in utility and transportation industries. Includes firm or individual name, address, and phone; names of regulatory agencies by which engaged in the past; purpose and dates of past engagements; areas of specialization; qualifications and experience. Arranged alphabetically.