| National Monuments Record of Scotland/NMRS, RCAHMS | Alan Reiach Collection | | AR 3/1-3, AR 68/1-7 |
| National Monuments Record of Scotland/NMRS, RCAHMS | Carr and Matthew Collection, RIAS | | CM 1930/18/1 |
| National Monuments Record of Scotland/NMRS, RCAHMS | Dick Peddie and McKay Collection | | DPM 1930/21/1 |
| National Monuments Record of Scotland/NMRS, RCAHMS | Drawings Collection | | Harrison & Seel plans Acc No 2000/221 |
| National Monuments Record of Scotland/NMRS, RCAHMS | Leslie Grahame Thomson MacDougall Collection | | LGM 1930/12/1-3 |
| National Monuments Record of Scotland/NMRS, RCAHMS | Lorimer and Matthew Collection | | LOR E/182 |
| National Monuments Record of Scotland/NMRS, RCAHMS | NMRS Photographic Archive | | Material relating to winning entry by Harrison and Seel (album of photos, plans and photos of model) and sketches of modifications 1948 and 1949. Acc No 2000/221 |
| Professor David M Walker personal archive | Professor David M Walker, notes and collection of archive material | | Information via website from Seel's son John and grandson, David. |
| RIBA Archive, Victoria & Albert Museum | RIBA Nomination Papers | | David Carr: F no 4481 (combined box 17); William Frederick Howard: F no3937 (box 30) |