1. Ackerley, Frederick George. 1914/1915. The Romani speech of Catalonia. Journal of the Gypsy Lore Society, n.s., 8: 99–140.
2. Acton, Thomas, and Donald Kenrick (eds). 1984. Romani rokkeripen to divvus: The English Romani Dialect and its contemporary social, educational and linguistic standing. London: Romanestan Publications.
3. Adamou, Evangelia. 2012. Verb morphologies in contact: Evidence from the Balkan area. In Morphologies in contact, ed. Martine Vanhove, 143–162. Berlin: De Gruyter.
4. Adamou, Evangelia, and Kimmo Granqvist. 2015. Unevenly mixed Romani languages. The International Journal of Bilingualism 19 (5): 525–547.
5. Adiego, Ignasi-Xavier. 1998. The Spanish Gypsy vocabulary of manuscript 3929, Biblioteca Nacional de Madrid (18th Century): A rereading. Journal of the Gypsy Lore Society, 5th ser., 8 (1): 1–18.