11.
 |  | Title: Clinical Applications of Biofeedback: Appraisal and Status by Robert J. Gatchel, Kenneth P. Price ISBN: 0080229786 Publisher: Elsevier Science Ltd Pub. Date: February, 1979 List Price: $36.00 Amazon.com Price: $36.00 |
12.
 |  | Title: Personality: Theory, Assessment, and Research by Robert J. Gatchel ISBN: 0312602294 Publisher: Palgrave Macmillan Pub. Date: February, 1982 List Price: $30.70 Amazon.com Price: $30.70 |
13.
 |  | Title: Compendium of Outcome Instruments For Assessment and Research of Spinal Disorders by Gunnar Andersson, William W. Deardorff, Ephrem Fernandez, Robert Gatchel, Leonard N. Matheson, Donna D. Ohnmeiss, Peter B. Polatin, Richard C. Robinson, John J. Triano ISBN: 192998801X Publisher: The North American Spine Society Pub. Date: January, 2001 List Price: $85.00 Amazon.com Price: $85.00 |
14.
 |  | Title: Contemporary Conservative Care for Painful Spinal Disorders by Tom G. Mayer, Vert Mooney, Robert J. Gatchel ISBN: 0812113446 Publisher: Lea & Febiger Pub. Date: July, 1991 List Price: $105.00 Amazon.com Price: $105.00 |