English Gipsies and Their Language — Charles Godfrey Leland — English Gipsies and Their Language by Charles Godfrey Leland (1874) — a study of the Romani people in England, their society, customs, language (the Romany dialect), and oral tradition, by the American folklorist who learned Romany and lived among Gypsy communities.
Gypsy Folk Tales — Francis Hindes Groom — Gypsy Folk Tales collected by Francis Hindes Groom (1899) — 75 tales from Romani communities across Europe (Turkish, Russian, Hungarian, Transylvanian, Scottish, Welsh Gypsies), many with parallel variants and scholarly apparatus, the foundational English-language Romani folklore collection.