Official bulletin of the American Library Association.
Vols. for 1939-1948 include as a regular number: American Library Association. Conference. Annual conference proceedings of the American Library Association; vols. for 1939-1947 also include: American Library Association. ALA handbook.
Final issue consulted: Vol. 63, no. 11 (Dec. 1969) (JSTOR, viewed June 24, 2011).
Description based on: Vol. 33, no. 1 (Jan. 1939); title from PDF cover (JSTOR, viewed June 24, 2011).