The Sven Türck Experiments (sources)

• "Sven Turck," page in the Marion Dampier-Jeans website, viewed 3-20-2017. Online at [Danish]: http://mariondampier-jeans.com/%e2%97%8f-spiritism/personer/sven-turck/ -- [English]: https://translate.google.com/translate?sl=auto&tl=en&js=y&prev=_t&hl=en&ie=UTF-8&u=http%3A%2F%2Fmariondampier-jeans.com%2F%25e2%2597%258f-spiritism%2Fpersoner%2Fsven-turck%2F&edit-text=&act=url
• "Medium Borge Michaelsen, Denmark," page in the PsychicTruth website, viewed 3-18-2017. Online at: http://psychictruth.info/Medium_Borge_Michaelsen.htm
• "Black and White Photos by Sven Turck," by Frazila Synowska, page in the FreeYork website, posted 7-9-2011, viewed 3-20-2017. Online at: http://freeyork.org/photography/black-and-whites-photos-by-sven-turck
• The Incident, website by Balder Olrik, earliest recorded posting [in Wayback Archive] 2004-4-5, viewed 3-10-2017. Online at [Wayback Archives]: https://web.archive.org/web/20040405213544/http://netsummary.dk/incident/intro.html

Photos from the event

• "Levitation of the danish medium Børge Michaelsen," post in Pinterest board 'Levitation' by user Timoteo Velosa, viewed 3-20-2017. Online at: https://www.pinterest.com/pin/510525307735503978/
• Mike's Photostream in Flickr website, viewed 3-20-2017. Online at: https://www.flickr.com/photos/10341736@N00/4535318433/in/photostream/