A Basic Vocational Library should include:
Online version at: http://www.oalj.dol.gov/libdot.htm
Selected Characteristics of Occupations Defined in the Revised Dictionary of Occupational Titles
by U.S. Department of Labor, NOSSCR PDF
Occupational Outlook Handbook
by Us Department of Labor (Editor), U S Department of Labor
Revised Handbook for Analyzing Jobs
by U.S. Department of Labor, et al (Paperback - April 1992)
Vocational Expert Handbook - by SSA, 2010.
Vocational Expert Handbook - by SSA, 2011.