TY  - BOOK
TI  - Kalendaryong pangkasaysayan (1521-1969)
SN  - 9715381006
PY  - 1996///
CY  - Maynila
PB  - Pambansang Suriang Pangkasaysayan, 
KW  - Philippines
KW  - History
KW  - Chronology
KW  - 1521-1898
KW  - 1898-1946
KW  - 1946-1986
ER  -