000			00435nam a2200157Ia 4500
005			20250913131819.0
008			250913s9999||||xx |||||||||||||| ||und||
041			_aEnglish
100			_aTompkins, Ellsworth
245		4	_aThe activity Period in Public Hing Schools
260			_aWashington : _bGovernment Printing Office, _c1951
300			_a17p.; _c23cm
440			_aBulletin 1951, No. _n19
650			_aBulleting
942			_cBT
999			_c159764 _d159764