- 1Records of North British Locomotive Company Ltd & Constituent Companies (NBL)
1835 - 1959, fonds - 2Order Books (NBL/2/1)
1863 - 1903, series - 3Engineering Drawings (NBL/2/2)
1863-1903, series - 4Trade Cards (NBL/2/3)
1863-1903, series - 5Engine Orders (NBL/2/1/1)
3 December 1863 - May 1898, item - 6Engine Orders (NBL/2/1/2)
6 June 1898 - 15 March 1916, item - 7Trade Cards Bundle Order Nos. E277 – E399 [incomplete] (NBL/2/3/1)
1863-1903, file - 8Trade Cards Order Nos. E400 – E499 [incomplete] (NBL/2/3/2)
1863-1903, file - 9Trade Cards Order Nos. E500 – E599 [incomplete] (NBL/2/3/3)
1863-1903, item - 10Trade Cards Bundle Order Nos. E600 – E699 [incomplete] (NBL/2/3/4)
1863-1903, item - 11Trade Cards Bundle Order Nos. E700 – E803 [incomplete] (NBL/2/3/5)
1863-1903, item - 12Neilson & Co./ Neilson Reid & Co. Ltd (NBL/2)
1863-1903, sub-fonds - 13Trade Card Bundle Order Nos. E634 - E903 [incomplete] Neilson & Co. Hyde Park Works (NBL/4/3/10)
1863-1903, file - 14Locomotive Prints (NBL/2/4/1)
1863-1903, file - 15Photographs (NBL/2/4)
1863-1903, series