Dictionaries
The Glossary from the Ships of War series by Bradley John — slang and sea terms used during the period 1791-1815.
Project Gutenberg's 1811 Dictionary in the Vulgar Tongue, by Captain Francis Grose.
An Universal Etymological English Dictionary was a dictionary compiled by Nathan Bailey and first published in London in 1721. It was the most popular English dictionary of the eighteenth century until the publication of Samuel Johnson's massive dictionary in 1755.
A Glossary of nautical terms from the period 1790 — 1815.
A Glossary of nautical terms from 17th to 19th century — WIKI