Key to Harmony
| Image |  |
|---|---|
| Description | 1935 film by Norman Walker |
| Author/s |
director: Norman Walker |
| Publication date | March 1935 |
| Language | |
| Country of origin | United Kingdom |
| Wikipedia link | https://en.wikipedia.org/wiki/Key_to_Harmony |
| Copyright status | |
| Missing/wrong data? | Edit Wikidata item |