This series documents Clay M. Greene’s membership in various social clubs, primarily the Bohemian Club of San Francisco and the New York Lambs. Included are correspondence, ephemera, poems, verses and other printed materials related to his participation in these clubs. Bohemian Club materials include correspondence; a printed booklet entitled The Owl Takes Flight; invitations, programs and newsletters; and invocations, speeches, poetry and verses written about the Bohemian Club and its membership. New York Lambs materials include A Round-Robin Sent to Clay M. Greene on his Forty-Ninth Birthday by the Lambs with telegrams and letters wishing him well, and a small sampling of programs, invocations and speeches. Printed materials pertaining to his participation in other social clubs, including an honorary membership to the Olympic Club, are also included in this series.