Tugboats Illustrated : History, Technology, Seamanship
Tugs in Colour - Worldwide
Tugs in Camera
Tugs in Colour - Northern Europe
Svitzer Tugs (2) - Worldwide
Primer of Towing (3rd Edition)
![Boek: [TK] Moderne Eisbrecher auf allen Weltmeeren](../afb/PP/50785.jpg)
Moderne Eisbrecher auf allen Weltmeeren
Tugs in Colour - British Built
Bristol Tugs in Colour (Volume 1)
Bristol Tugs in Colour (Volume 2)
Mersey Tugs Through Time
Thames Tugs in Colour
Svitzer Tugs (1) - UK