Proceedings of the 22d-33d annual conference of the Library Association in v. 1-12; proceedings of the 34th-44th, 47th-57th annual conference issued as a supplement to v. 13-23, new ser. v. 3-ser. 4, v. 1.

Vols. 1-18, 34-40 include 4th-30th, 45th-51st (1898/99-1924/25, 1940-46) reports of the Association of Assistant Librarians. Vols. 19-33 have 31st -44th (1925/26-1939) reports as separately paged appendices or supplements.