Reference links:
http://www.nytimes.com/2000/01/02/theater/theater-lady-in-the-van-offers-a-moral-behind-the-laughter.html
http://www.hamhigh.co.uk/etcetera/film/lady_in_the_van_review_alan_bennett_reveals_his_true_deceit_1_4307863
http://journal.psyart.org/wp-content/uploads/2017/01/PsyArt-2017-Article-1-D-Brennan.pdf
http://www.filmmusicmag.com/?p=15606
http://www.theartsdesk.com/film/lady-van
http://hiltonchurch.org.uk/gods-dreams-and-ours-a-reflection-on-the-lady-in-the-van/
http://vault.hanover.edu/~battles/arthur/excalibur
http://www.wisdomtales.org/index.php?option=com_content&view=article&id=1281&Itemid=642
http://nypost.com/2015/11/28/why-a-playwright-let-a-homeless-woman-live-in-his-driveway-for-15-years/
http://www.talkhouse.com/exclusive-book-extract-nicholas-hytners-foreword-to-the-lady-in-the-van-the-screenplay-by-alan-bennett/