HM1
From Philosopedia.org
HM1
Humanist Manifesto I (which first appeared in The New Humanist, May-June 1933, Vol. VI, No. 3) (Buffalo, New York: Prometheus Books, 1973).
All individuals who signed this 1933 document are listed in Philosopedia.
(Also, see HM2 [http://www.uua.org/clf/join/.)

