Larsen, C. R. (2001). Rock. In Bogen om Danmark (pp. 269-270). Danmarks Nationalleksikon [Gyldendal].
Bakker, P., Extra, G. (Ed.) & de Ruiter, J. J. (Ed.) (2001). Romanes. In Babylon aan de Noordzee. Nieuwe Talen in Nederland (pp. 212-231). Bulaaq.
Bakker, P., Igla, B. (Ed.) & Stolz, T. (Ed.) (2001). Romani and Turkish. In Was ich noch sagen wollte: A Multilingual Festschrift for Norbert Boretzky on occasion of his 65th birthday (pp. 303-326). Akademie Verlag (Studia Typologia Band 2).
Bakker, P., Extra, G. (Ed.) & Gorter, D. (Ed.) (2001). Romani in Europe. In The Other Languages of Europe: Demographic, Sociolinguistic, and Educational Perspectives (pp. 293-313). Multilingual Matters.