00326nam a2200109Ia 4500008004100000040001500041082002100056100003500077245002400112260006800136300001200204231128s9999    xx            000 0 und d  aPHSAcPHSA  aFIL 902 N21 1970  aNational Historical Commission 0aHistorical calendar  aManilabNational Historical Commission of the Philippinesc1970  a207  p.