TY  - BOOK
AU  - Hofstadter,Richard
TI  - The progressive historians: Turner, Beard, Parrington 
SN  - 0-226-34818-0
AV  - E175.45 H63
PY  - 1968///
CY  - EUA
PB  - The University of Chicago
KW  - Turner Frederick Jackson, 
KW  - Beard Charles Austin, 
KW  - Parrington, Vernon Louis, 
N1  - Coleccion California mexicana Ascension y Miguel Leon Portilla
ER  -