International congresses and conferences, 1840-1937 a union list of their publications available in libraries of the United States and Canada
Gerould, Winifred Gregory,1885-
Bibliographical Society of America.
Millwood, N.Y. Kraus Reprint
1980
Reprint of the 1938 ed. published by H. W. Wilson Co., New York
Includes index
Congresses and conventions
Union catalogs
Union catalogs