linked bibliography
http://drainmag.com/indelible/
https://www.artoronto.ca/?p=39121
https://www.gardinermuseum.on.ca/event/12-trees-good-for-the-earth/
http://www.lifebuzz.com/shredded-paper/
http://www.artoronto.ca/?p=31646
https://static1.squarespace.com/static/53a979ade4b00bcf0f35ee0d/t/ 565f5f10e4b0a69070fbc910/1449090832616/Parallel+Room_Carling+Spinney.pdf
https://canadianart.ca/sandra-gregson-must-sees-nov-19/
http://www.worldofthreadsfestival.com/artist_interviews/040_sandra_gregson_11.html
http://www.digitalmediatree.com/sallymckay/?36860