Air Navigation
Inventory list
Identifier
|
Title | Level of description | Date | Digital object | |
|---|---|---|---|---|---|
| R2611/9H/33511/32925 | Network of the Permanent Air routes - Sweden. | File | 1931 | ||
| R2611/9H/33609/32925 | Network of the Permanent Air routes - Switzerland. | File | 1931 | ||
| R2611/9H/34033/32925 | Network of the Permanent Air routes - Estonia. | File | 1932 | ||
| R2611/9H/34201/32925 | Network of the Permanent Air routes - Germany. | File | 1932 | ||
| R2611/9H/34268/32925 | Network of the Permanent Air routes - France. | File | 1932 |