| Information request | |
| 1 | Improving content on photographic techniques |
| Postcards | |
| 2 | Painted postcards |
| Cigarette cards | |
| 3 | Cigarette cards of landscapes |
| 4 | Sports cards and cigarette cards |
| Wallets of miniature views | |
| 5 | Souvenir sets of travel photographs |
| Miniature photographs | |
| 6 | Souvenir sets of travel photographs |
| Information request | |
| 1 | Improving content on photographic techniques |
| Postcards | |
| 2 | Painted postcards |
| Cigarette cards | |
| 3 | Cigarette cards of landscapes |
| 4 | Sports cards and cigarette cards |
| Wallets of miniature views | |
| 5 | Souvenir sets of travel photographs |
| Miniature photographs | |
| 6 | Souvenir sets of travel photographs |
