Searches will match both ship names and the citation text by default. There are many options for crafting your query outlined on the searching help page.

means the resource includes an illustration of the ship
means the resource includes a main entry about the ship
means the resource includes a passenger or crew list for the ship

means the resource is in the premium database
means the resource was added in the past 45 days
means the resource requires an additional subscription to access
means the resource is a book
means the resource is a journal (magazine) or journal article
means the resource is a newspaper
means the resource is a native online resource (digitized books or journals are still noted as 'book' or 'journal', even when they're accessed or accessible online)