Multiple authors (May 1980). "A Report on AHP's 12-Hour Political PartyArchived 2019-10-29 at the Wayback Machine". AHP Newsletter, cover and pp. 4 ("Presenters"), 28–31, 41–43. A publication of the Association for Humanistic Psychology. Retrieved August 1, 2016.
"1910 United States Federal Census". Ancestry.com. Retrieved 19 April 2010. Oak Park, Cook, Illinois; Roll T624_239; Page: 2B; Enumeration District: 70; Image: 703. Carl is fourth of six children of Walter A. and Julia M. Rogers.
Kramer, Robert (October 1995). "The Birth of Client-Centered Therapy: Carl Rogers, Otto Rank, and 'The Beyond'". Journal of Humanistic Psychology. 35 (4): 54–110. doi:10.1177/00221678950354005. S2CID145059656.
Fierro, Catriel (November 2021). "'A backdrop for psychotherapy': Carl R. Rogers, psychological testing, and the psycho-educational clinic at Columbia University's Teachers College (1924–1935)". History of Psychology. 24 (4): 323–349. doi:10.1037/hop0000201. PMID34516193. S2CID237507108.
deCarvalho, Roy J. (1999). "Otto Rank, the Rankian Circle in Philadelphia, and the Origins of Carl Rogers' Person-Centered Psychotherapy". History of Psychology. 2 (2): 132–148. doi:10.1037/1093-4510.2.2.132. PMID11623737.
Fierro, Catriel (November 2021). "'A backdrop for psychotherapy': Carl R. Rogers, psychological testing, and the psycho-educational clinic at Columbia University's Teachers College (1924–1935)". History of Psychology. 24 (4): 323–349. doi:10.1037/hop0000201. PMID34516193. S2CID237507108.
deCarvalho, Roy J. (1999). "Otto Rank, the Rankian Circle in Philadelphia, and the Origins of Carl Rogers' Person-Centered Psychotherapy". History of Psychology. 2 (2): 132–148. doi:10.1037/1093-4510.2.2.132. PMID11623737.
Kramer, Robert (October 1995). "The Birth of Client-Centered Therapy: Carl Rogers, Otto Rank, and 'The Beyond'". Journal of Humanistic Psychology. 35 (4): 54–110. doi:10.1177/00221678950354005. S2CID145059656.
Fierro, Catriel (November 2021). "'A backdrop for psychotherapy': Carl R. Rogers, psychological testing, and the psycho-educational clinic at Columbia University's Teachers College (1924–1935)". History of Psychology. 24 (4): 323–349. doi:10.1037/hop0000201. PMID34516193. S2CID237507108.
Multiple authors (May 1980). "A Report on AHP's 12-Hour Political PartyArchived 2019-10-29 at the Wayback Machine". AHP Newsletter, cover and pp. 4 ("Presenters"), 28–31, 41–43. A publication of the Association for Humanistic Psychology. Retrieved August 1, 2016.
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Rogers, Carl (1942). Counseling and Psychotherapy: Newer Concepts in Practice. Boston, Massachusetts/New York: Houghton Mifflin. ISBN978-1-4067-6087-3. OCLC165705.