archive.org/web/20161025090006/http://www.panoramio.com/user/5642918?with_photo_id=88140405 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026005753/http://www.panoramio.com/photo/89179377 determination method...
archive.org/web/20161025084449/http://www.panoramio.com/user/3794713?with_photo_id=88624099 operator: Panoramio described at URL: https://web.archive...
01102013.pdf Nederlands: Deze PDF laat de breakdown dd 01-10-2013 van de Category:Royal Library, The Hague in subcategorien en mediabestanden...
7 October 2016 English URL: https://www.flickr.com/people/34409164@N06 Flickr user ID: 34409164@N06 author name string: gnuckx publication date: 30 December...
7 October 2016 English URL: https://www.flickr.com/people/34409164@N06 Flickr user ID: 34409164@N06 author name string: gnuckx publication date: 30 December...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024144738/http://www.panoramio.com/photo/89175773...
archive.org/web/20161025162311/http://www.panoramio.com/user/2333416?with_photo_id=86104077 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161026170219/http://www.panoramio.com/user/3794713?with_photo_id=88734400 operator: Panoramio described at URL: https://web.archive...
7 October 2016 English URL: https://www.flickr.com/people/34409164@N06 Flickr user ID: 34409164@N06 author name string: gnuckx publication date: 30 December...
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