Henderson, William Security clearance manual : how to reduce the time it takes to get your government clearance / William Henderson - California Lat Post Publishing 2007 - xvi, 152 pages 23cm. Includes appendix and index. ISBN: 978-0-9793466-0-6 Subjects--Topical Terms: SECURITY CLEARANCE LC Class. No.: GC KJ 734 .H46 2007 c.1