The Argo database contains 1,900 entries of ships registered in the Black Sea port cities. Every entry has the name of the ship, the type, the tonnage, the flag, place of built, date of built, the captain, the owner, the place of registration, the archive where the information comes from. This database is interrelated with the Jason database.

The Jason database contains 2,200 entries with names of merchants, shipowners and bankers that were active in the Black Sea port-cities. Every entry has the surname, the name, the date of birth, the nationality, the profession, the guild, the size of imports and exports, the ships owned, the archive where the information comes from. This database is interrelated with the Argo database.