Misc. Newsletters:-
SCANNER 672.pdf (Solent Maritime Society)
Ipswich & District Historical Transport Society:
Historic Ships UK
Steamship Historical Society of America - California Chapter
Tugs, Towing & Offshore:-
Special The story of 6 tugboats built in Germany.pdf
Tug Newsletters:
TugeZine-6 30-May-June 2025.pdf
TugeNewsletter-6 29 June 2025.pdf
TugeZine-6 29-March-April 2025.pdf
TugeNewsletter-6 28 March 2025.pdf