75è aniversari de l’enfonsament del “Ciudad de Barcelona” Recull d’articles i de documents Malgrat de Mar, 30 de maig de 2012 Català
75th anniversary of the sinking of the Ciudad de Barcelona Articles and documents Malgrat de Mar, 30th May, 2017 English
80è aniversari de l’enfonsament del Ciudad de Barcelona Articles i documents sobre els brigadistes internacionals Malgrat de Mar, 30 de maig de 2017 Català
80th anniversary of the sinking of the Ciudad de Barcelona Articles and documents about members of the international brigades Malgrat de Mar, 30th May, 2017 English
SIDBRINT Directory of International Brigades http://sidbrint.ub.edu/en
Stories of Brigadistas of the Ciudad de Barcelona
Jack Kent, The Taranaki Tiger – Press report
Robert Conway Martin family Blog
Jack Freeman podcast with his family
David Newman podcast with his family
Robert MacDonald short video by his family
Sidney Shostek Art and videocast from his family
Gerrit Jan Deurhof – info video
Solidarity Park 