See DCAR/1/2/1/D9/7 for copy / tracing

All other Porden plans for Downing can be found in British Architectural Library, including: Plan of the site'; pen and watercolour; 42.2 x 28 cm; inscribed 'Land for Downing College, Cambridge'; 'Establishment / Master/ 6 Fellows maybe 12 or 14/40 students/ Viz. 10 or 12 Fellow Comm.rs/ Professors'; 'whole length about 1860 feet'; scale 3/4 inch to 100ft. Literature: J Lever, 1976, p.90, Location: British Architectural Library