Original Triumph TR: The Restorer's Guide to TR2, TR3, TR3A, TR3B, TR4, TR5, TR250, TR6 (Original Series) Hardcover – January 11, 2016

Original Triumph TR: The Restorer's Guide to TR2, TR3, TR3A, TR3B, TR4, TR5, TR250, TR6 (Original Series)

Triumph TR4 & TR4A: Your expert guide to common problems and how to fix them (Expert Guides)

Triumph TR4/4A & TR5/250 - All models 1961 to 1968 (Essential Buyer's Guide)