History
KURE, Gottfried & VOICE, David
Toy and Model Trams of the World - A description of toy and model trams around the world including trolleybuses, underground cars, funicular and monorails
Volumes One and Two
Worldwide manufacturers of model and toy trams with company detail and models produced, illustrated throughout. In two volumes:
1 - Toys, Die Casts and Souvenirs;
2 - Plastic, White Metal and Brass Models and Kits.
Lancastrian Transport Trust
Precious Transport Gems - The Lancastrian Transport Trust Collection
LEE, Charles E.
Some Tramway Pioneers - Known and Unknown
Gratwicke Paper No. 2 - The Walter Gratwicke Memorial Lecture 1971