Acknowledgements
Brigitte Saar
Encyclopedia Titanica (2001) Titanic's starboard side towers in front of the sub ( ref: #20833, published 30 November 2001, generated 17th January 2021 04:02:48 AM); URL : https://www.encyclopedia-titanica.org/titanics-starboard-side-towers-in-front-of-the-sub-20833.html