These relate to the English Electric Type 3s - later class 37s. They're all foolscap. From a Stratford Fitter's training notes.
British Rail Modernisation Scheme. EE TYPE 4 - Class 40 Technical Sheets + Plans
British Rail Modernisation Scheme. 1st Generation DMUs. Technical Sheets + Plans
British Rail Modernisation Scheme. PAXMAN 16YHXL ENGINES Tech Sheets + Plans
British Rail Modernisation Scheme. SULZER 6 & 12 LDA 28 Tech Sheets + Plans
British Rail. Modernisation Scheme. WHEEL NOTATION Of Diesels. Circa 1960. Good.
British Rail. Modernisation Scheme BRUSH TYPE 2 (Class 31) Training Notes + Plan