TY  - BOOK
AU  - Beard,Charles Austin
AU  - Beard,Mary Ritter
AU  - Beard,William
TI  - New basic history of the United States
PY  - 1960///
CY  - New York
PB  - Doubleday and Company
KW  - HISTORIA
KW  - SIGLO XX
KW  - Tesauro de la Unesco
KW  - HISTORIA CONTEMPORÁNEA
KW  - ESTADOS UNIDOS
N1  - Includes Appendices and Index
ER  -