| ID | Id-Nr. | Copyright | Lizenz | Autor | |
|---|---|---|---|---|---|
 | 624 | By Superbass [Creative Commons], via Wikimedia Commons | CC BY-SA 3.0 | Superbass | |
 | 13286 | 90523512 | © davis - Fotolia.com | M Standard | davis |
 | 13380 | custom © neshom | CC0 Public Domain | neshom | |
 | 13572 | By Raimond Spekking [Creative Commons], via Wikimedia Commons | CC BY-SA 4.0 (via Wikimedia Commons) | Raimond Spekking | |
 | 13604 | custom © Privat | Privat | ||
 | 13763 | By Peters, Hans / Anefo – Nationaal Archief [Creative Commons], via Wikimedia Commons | CC BY-SA 3.0 nl | Peters, Hans / Anefo – Nationaal Archief | |
 | 14433 | custom © G. Wiedenroth | G. Wiedenroth |
BildnachweiseD.H.2017-09-08T17:17:22+02:00