TY  - BOOK
AU  - Joseph R. Strayer
AU  - Hans W. Gatzke
TI  - The Mainstream of civilization: To 1500
SN  - 0155515586
PY  - 1974///
CY  - New York
PB  - Harcourt Brace Jovanovich
KW  - Civilization
KW  - History
ER  -