Air Navigation
Inventory list
Identifier
|
Title | Level of description | Date | Digital object | |
|---|---|---|---|---|---|
| R2607/9H/27589/1513 | Air Post - Lithuania | File | 1931 | ||
| R2607/9H/27769/1513 | Air Post - Denmark | File | 1931 | ||
| R2607/9H/27885/1513 | Air Post - Latvia | File | 1931 | ||
| R2607/9H/28032/1513 | Air Post - Bulgaria | File | 1931 | ||
| R2607/9H/28646/1513 | Air Post - Correspondence with the Government of Hungary | File | 1931 |