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- Author(s):
- Massachusetts. Department of Education, author, issuing body.
Massachusetts. Department of Public Health, author, issuing body.
- Publication:
- Boston, Massachusetts : Massachusetts Department of Education : Massachusetts Department of Public Health, 1940-41
- Subject(s):
- Health Education
Schools -- standards
School Teachers -- standards
Teaching -- standards
Massachusetts
- Author(s):
- Massachusetts. Department of Public Health, author, issuing body.
- Publication:
- Boston, Mass. : Massachusetts Department of Public Health, [1939]
- Subject(s):
- Child Health
Child Rearing
Massachusetts