| Courtesy of Neil Darlington | Information sent via DSA website | | Additional information sent August 2009 |
| Dundee Central Library | Dundee Photographic Survey | | |
| Dundee Planning Department/NMRS | Dundee Approved Duplicate Plans (Originals in NMRS for dates 1867-1883; otherwise on microfilm) | | |
| Professor David M Walker personal archive | Professor David M Walker, notes and collection of archive material | | Personal information from his apprentices Joseph Johnston and Harry Band. Also information from Edmund Raphael-Beldowski via Iain Flett |