| 000 | 00428 a2200145 4500 | ||
|---|---|---|---|
| 080 |
_a371.33 _bN 277 C |
||
| 245 | 1 | _aClassrooms | |
| 250 | _a3rd edn. | ||
| 260 |
_aWashington _bNational Education Association, Department of Audio-Visual Instruction _c1958 |
||
| 650 | _aAudio Visual Aids | ||
| 700 | _aNational Education Association, Department of Audio-Visual Instruction | ||
| 100 |
_a _d |
||
| 300 | _a63 p. | ||
| 901 | _a71906 | ||
| 999 |
_c23419 _d23419 |
||