000			00410nam a2200157Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
020			_a01408-02525
082			_a372.83 _bHAR
100			_aHarverson, Philippa _925061
245			_aSigns and Signals
260			_bPenguin books pub, _c1972. _aLondon:
300			_a64p.; _bcol.ill.; _c21 cm.
650			_aPrimary Education
942			_2ddc _cLM
999			_c29258 _d29258