TY  - BOOK
AU  - Halsey,William D.(William Darrach)
AU  - Blackburn,Robert H.
TI  - Collier's encyclopedia with bibliography and index
AV  - AE5 C655
PY  - 1966///
CY  - E.U.A.
PB  - Crowell Collier and Macmillan
N1  - Incluye bibliografia
ER  -