Marsha Linehan’s books on dialectical behavior therapy were both ranked #1 in influence among 2,459 psychotherapists in a web-based survey.

The survey was reported in Cook, J.M., Biyanova, T., & Coyne, J. 2009 Influential psychotherapy figures, authors, and books: an internet survey of over 2,000 psychotherapists. Psychotherapy Theory, Research, Practice, Training , Vol. 46, No. 1, 42-51.