Specific Series 3 Lightweights are covered in EMER WHEELED VEHICLES:
Q 020/13 Truck, Utility, ½ Ton, 4x4, Rover Series 3. Data Summary. Sept.1975
Q 025/13 Truck, Utility, ½ Ton, 4x4, Rover Series 3. Waterproofing Instr, No.3. Technical Handbook. Apr.1976
Q 025/13 Truck, Utility, ½ Ton, 4x4...