The Blue book of audio-visual materials.
| Format: | Serial |
|---|---|
| Language: | English |
| Published: |
Chicago :
Educational Screen.
|
| Subjects: |
| Published: | [1st]-29th ed.; 1920-54. |
|---|---|
| Physical Description: | 29 volumes ; 19-26 cm. |
| Format: | Serial |
|---|---|
| Language: | English |
| Published: |
Chicago :
Educational Screen.
|
| Subjects: |
| Published: | [1st]-29th ed.; 1920-54. |
|---|---|
| Physical Description: | 29 volumes ; 19-26 cm. |