New serial titles ; a union list of serials commencing publication after December 31, 1949 Jan. 1953- - Washington : Library Congress, 1949-1956 - 1 v. ; 30 cm
Monthly, with annual cumulations which are self-cumulative through periods of five years Issue for 1955 called 1st ser. ; 1956-, 2nd ser Prepared under the sponsorship of the Joint Committee on the Union List of Serials Supplements the Union list of serials
PUBLICACIONES PERIÓDICAS--BIBLIOGRAFÍA
PUBLICACIONES PERIÓDICAS--ÍNDICES
050
Monthly, with annual cumulations which are self-cumulative through periods of five years Issue for 1955 called 1st ser. ; 1956-, 2nd ser Prepared under the sponsorship of the Joint Committee on the Union List of Serials Supplements the Union list of serials
PUBLICACIONES PERIÓDICAS--BIBLIOGRAFÍA
PUBLICACIONES PERIÓDICAS--ÍNDICES
050
