000 00570nam a2200169Ia 4500
001 137295
003 BIBL
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008 931110|1962||||pr ||||||||||||||1||eng|d
110 0 _aPuerto Rico.
_bDepartamento de Instrucción.
_2Local
_9155382
245 1 0 _aUnits for teaching... English.
260 _aSan Juan [Puerto Rico]
_bEnglish Section, Curriculum Division
_c1962-
300 _av.
490 0 _aTeacher's Guide
_2Local
_9177293
650 0 _aEnglish language
_xStudy and teaching (Elementary)
_2Local
_992110
651 0 _aPuerto Rico
_2Local
_9155382
999 _c115642
_d115642