Triumph TR2, 3, 3A, 4, 4A (Service & repair manuals) by Maclay, J.L.S., Hunt, B.L.Chalmers- published by J H Haynes & Co Ltd (1988): Amazon.com: Books
How to Restore Triumph TR2, 3, 3A, 4 & 4A: Your Step-By-Step Guide to Body, Trim and Mechanical Restoration (Enthusiast's Restoration Manual): Williams, Roger: 9781845849474: Amazon.com: Books