TY  - BOOK
AU  - Gregory,Winifred
ED  - Bibliographical Society of America
TI  - International congresses and conferences, 1840-1937: a union list of their publications available in libraries of the United States and Canada 
U1  - 017.1 
PY  - 1938///
CY  - New York
PB  - H. W. Wilson Co.
KW  - Congresses and conventions
KW  - Bibliography
KW  - Catalogs, Union
ER  -