TY  - SER
ED  - P.F. Collier & Son Corporation.
TI  - 1971 year book: covering events of the year 1970 
AV  - AE 5 C72.1971
PY  - 1971///
CY  - New York
PB  - Crowell-Collier Educational Coprporation
KW  - Encyclopedias and dictionaries
KW  - Periodicals
KW  - Enciclopedias y diccionarios
KW  - Publicaciones periódicas
KW  - History, Modern
KW  - 20th century
KW  - Historia moderna -
KW  - Siglo XX -
ER  -