Leonards, J.T. (2021) Fräulein: Struggle for Identity. Portsmouth: Piscataqua Press.

Leonards, J.T. (Summer, 2004) Sport psychophysiology: The current status of biofeedback with athletes. Part III. Biofeedback, 32(4), 27-31.

Leonards, J.T. (Winter, 2003) Sport psychophysiology: The current status of biofeedback with athletes. Part II. Biofeedback, 31(4), 20-23.

Leonards, J.T. (Summer, 2003) Sport psychophysiology: The current status of biofeedback with athletes. Part I. Biofeedback, 31(2), 18-20.

Leonards, J.T. (2001) Behavioral medicine and primary care: Greater collaboration in the new millennium. Biofeedback, 29(2), 7-11.

Leonards, J.T. (1981) Corporate psychology: An answer to occupational mental health. Personnel and Guidance Journal, 60(1), 47-51.

Leonards, J.T. (1980) Stress reduction in high and low achievers. Unpublished doctoral dissertation. Pennsylvania State University.

Leonards, Jeffrey T. (2006) A winter to end all winters. Guest Commentary. Franklin Journal. April 7, 2006.

Leonards, Jeffrey T. (2001) A regrettable vaccination. Guest Commentary. Daily Bulldog. February 17, 2021.

Leonards, Jeffrey T. (2003) A story of Inspiration: Lance Armstrong. Featured editorial. Biofeedback, 31(4). 30

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This list does not include numerous editorials, letters, and guest commentaries published in trade journals, newspapers and magazines in Pennsylvania, New York, Vermont, New Hampshire and Maine.