Choose the first letter of the ship you are interested in. Remember to look under the hyperlink called 'Abbreviations' (on the main page) if you find initials or symbiology that you can't untangle.
Hyperlink A1 has ship names from Aaxxxx to Amxxxx, A2 from Anxxxx to Azxxxx
The 1000 most recent additions are from Shipwrecks of the Pacific Coast by Jim Gibbs; Graveyard of the Atlantic by David Stick; Shipwrecks in the Americas by Robert Marx; and personal research forwarded to me by Tore Setsa of Ytteren, Norway concerning Norwegian shipping losses of WWII.