Joe Orton (2014). “Orton Complete Plays: Entertaining Mr Sloane; Loot; What the Butler; Ruffian; Erpingham Camp; Funeral Games; Good & ...”, p.255, A&C Black
"The Flip-Flops of Howard Dean: What he said then. What he says now. What happened" by William Saletan and Avi Zenilman, www.slate.com. September 11, 2003.