-
1271
-
1272
National internal revenue code, Commonwealth act no. 446. (In force and effect July 1, 1939) [microform].
Published 1977Visual Material -
1273
-
1274
Revised tariff and customs code of the Philippines. Republic Act no. 1937, effective July 1, 1957 [microform].
Published 1977Visual Material -
1275
-
1276
-
1277
-
1278
Customs tariff of the Philippine Islands, 1909; notes on tariff revision; customs tariff of 1905 [microform].
Published 1977Visual Material -
1279
-
1280