Werner Erhard :
Bartley, William Warren 1934-
Werner Erhard : the transformation of a man : the founding of est / by William Warren Bartley. - 1st ed. - New York : C.N. Potter; Distributed by Crown Publishers, ©1978. - xx, 279 pages, [4] leaves of plates : ill. ; 24 cm.
0517535025 9780517535028
Erhard, Werner 1936-
Erhard seminars training
Psychologists--United States--Biography
Werner Erhard : the transformation of a man : the founding of est / by William Warren Bartley. - 1st ed. - New York : C.N. Potter; Distributed by Crown Publishers, ©1978. - xx, 279 pages, [4] leaves of plates : ill. ; 24 cm.
0517535025 9780517535028
Erhard, Werner 1936-
Erhard seminars training
Psychologists--United States--Biography