00389nam a2200121Ia 450000500170000000800410001708200150005810000420007324500590011526000470017430000090022165000370023020240821151657.0240821s9999||||xx |||||||||||||| ||und||  a371.33 LOS  aLos Angeles City Schools, Los Angeles 0aCatalogue of Audio-Visual materials for primary grades  aLos AngelesbLos Angeles City Schoolc1959  a166p  aMethods of Instruction and Study