Books about Romanies -- Languages

A History of the Gipsies: with Specimens of the Gipsy Language

The Zincali: An Account of the Gypsies of Spain

Romano Lavo-Lil: Word Book of the Romany; Or, English Gypsy Language

A new dictionary of the terms ancient and modern of the canting crew in its several tribes of gypsies, beggers, thieves, cheats, &c. : With an addition of some proverbs, phrases, figurative speeches, &c.