Links
http://arts.brighton.ac.uk/projects/drawing-research
http://blogs.brighton.ac.uk/ttwl/
http://blogs.brighton.ac.uk/drawingspace/
http://arts.brighton.ac.uk/staff/duncan-bullen/
http://www.camden-image-gallery.co.uk/the-drawing-works-1/
http://www.saturationpoint.org.uk/Duncan_Bullen.html
http://www.parallel-prints.com/
http://www.art-in-newzealand.co.nz/duncan-bullen-and-jamie-crofts/
http://jaic.jsitservices.co.uk/index.php/JAIC/article/viewFile/3/3
https://onca.org.uk/whats-on/past/2015-2/this-is-change/
http://arts.brighton.ac.uk/projects/mobility-of-the-line-utility-of-the-line
http://www.artizaneditions.co.uk/artists/bullen/index.html
http://www.nafae.org.uk/sites/default/files/abstracts/philippa_lyon_abstract.pdf
http://impact7.org.au/participants/bullen.html
http://www.markgraver.com/combinations/
http://www.acart.org.uk/easonbullen.html
http://www.lakesidearts.org.uk/exhibitions/event/1265/figuring-light.html
http://aabookshop.net/?wpsc-product=mobility-of-the-line