- The I Ching of Management: An Old-Age Study for New Age Managers by William E. Sadler,  1996-01-01
 - Worry and nervousness: or, The science of self-mastery by William Samuel Sadler,  2010-08-09
 - Perspectives in Differentiation and Hypertrophy: 1st: Symposium Proceedings 
 - The physiology of faith and fear; or, The mind in health and disease by William Samuel Sadler,  2010-09-01
 - The Mother and Her Child [ 1916 ] by William Samuel Sadler,  2009-08-10
 - I Ching del Manager (Italian Edition) by William Sadler,  1997-11-01
 - Cause and cure of headaches, backaches and constipation, (Modern health library) by William Samuel Sadler,  1938
 - Race Decadence by William Samuel Sadler,  2010-02-03
 - The quest for happiness;: How you can keep happy, by William Samuel Sadler,  1943
 - The truth about mental healing, by William Samuel Sadler,  1938
 - Theory and practice of psychiatry, by William Samuel Sadler,  1936
 - Diet and food values with key to weight control by William Samuel Sadler,  1943
 - Adolescence problems,: A handbook for physicians, parents, and teachers by William Samuel Sadler,  1948
 - Piloting modern youth;: A guide for parents, teachers, and others dealing with adolescents, by William Samuel Sadler,  1931
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