The English Gipsies and Their Language

Romano Lavo-Lil: Word Book of the Romany; Or, English Gypsy Language With Specimens of Gypsy Poetry, and an Account of Certain Gypsyries or Places Inhabited by Them, and of Various Things Relating to Gypsy Life in England

Musa Pedestris - Three Centuries of Canting Songs and Slang Rhymes [1536 - 1896]

The Gipsies' Advocate Or, Observations on the Origin, Character, Manners, and Habits of the English Gipsies

The Gypsy's Parson: his experiences and adventures

A Desk-Book of Errors in English Including Notes on Colloquialisms and Slang to be Avoided in Conversation

Romany Life Experienced and Observed during many Years of Friendly Intercourse with the Gypsies

I've been a Gipsying or, Rambles among our Gipsies and their children in their tents and vans

Slang and cant in Jerome K. Jerome's works