London, Hoyt H. Principles and techniques of vocational guidance H. H. London. - Columbus, Ohio C. E. Merrill Pub. Co. [1973] - xiv, 330 p. illus. - The Merrill series in career programs . Includes bibliographies. ISBN: 0675089492 LCCN: 73078475 Subjects--Topical Terms: Vocational guidance LC Class. No.: HF5381 / .L655 Dewey Class. No.: 371.4/25