Instructions on air raids and blackouts.
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English Filipino |
| Cyhoeddwyd: |
Manila
Bureau of Print.
1941.
|
| Cyfres: | The sun and stars series
no. 2 |
| Pynciau: |