archive.org/web/20161103024455/http://www.panoramio.com/user/969909?with_photo_id=123539352 operator: Panoramio described at URL: https://web.archive...
(https://commons.wikimedia.org/wiki/File:Kanzleramt_-_panoramio.jpg), »Kanzleramt - panoramio«, Mosaik-Optik von Wikimedia Deutschland e. V., https://...
Portunus steht am Tiber auf dem Forum Boarium in Rom. operator: Panoramio described at URL: https://web.archive.org/web/20161027230850/http://www.panoramio.com/photo/99622320...
archive.org/web/20161015094507/http://www.panoramio.com/user/3057152?with_photo_id=37915855 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161013110822/http://www.panoramio.com/user/969909?with_photo_id=10550436 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025075041/http://www.panoramio.com/photo/89805421 determination method...
archive.org/web/20161024032857/http://www.panoramio.com/user/969909?with_photo_id=57844671 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028031020/http://www.panoramio.com/user/3057152?with_photo_id=23752144 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161024014513/http://www.panoramio.com/user/1368505?with_photo_id=61233292 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161023200827/http://www.panoramio.com/user/3057152?with_photo_id=50113593 operator: Panoramio described at URL: https://web.archive...