its first decade, A.A. as a fellowship accumulated substantial experience
which indicated that certain group attitudes and principles were particularly
valuable in assuring survival of the informal structure of the Fellowship.
In 1946, in the Fellowship's international journal, the A.A. Grapevine,
these principles were reduced to writing by the founders and early
as the Twelve Traditions of Alcoholics Anonymous. They were accepted
and endorsed by the membership as a whole at the International Convention
of A.A., at Cleveland, Ohio, in 1950.