Kemph, John P. (1969). «Erik H. Erikson. Identity, youth and crisis. New York: W. W. Norton Company, 1968». Behavioral Science (em inglês). 14 (2): 154–159. ISSN1099-1743. doi:10.1002/bs.3830140209
Erikson, Erik H. (1994). Insight and responsibility : lectures on the ethical implications of psychoanalytic insight Norton pbk. ed. New York: W.W. Norton. ISBN0-393-31214-3. OCLC31741383
Kemph, John P. (1969). «Erik H. Erikson. Identity, youth and crisis. New York: W. W. Norton Company, 1968». Behavioral Science (em inglês). 14 (2): 154–159. ISSN1099-1743. doi:10.1002/bs.3830140209
Erikson, Erik H. (1975). Life history and the historical moment First ed. New York: Norton. ISBN0-393-01103-8. OCLC1055523
Erikson, Erik H. (1978). Toys and reasons: stages in the ritualization of experience. [S.l.]: Boyars. ISBN0-7145-2629-0. OCLC315744364