Section CC and section DD (earlier scheme, later altered); Part of the Dr. Thomas Howarth collection, sold at Christies, Feb. 17, 1994. "Thomas Howarth, professor, architectural historian, collector (b in England 1914, d at Toronto 21 July 2000). Howarth reawakened interest in the great Scottish architect, Charles Rennie Mackintosh (1868-1928), through articles, a comprehensive monograph, exhibitions, and lifelong advocacy and collecting. A prescient collector of Mackintosh's work, Howarth amassed a huge and varied collection." The model was built for class study under direction of Dr. Howarth. Source: Canadian Encyclopedia; http://www.thecanadianencyclopedia.com/ (accessed 5/17/2009)