* Guenter Lewy, "The Nazi Persecution of the Gypsies", Oxford, Oxford University Press, 2000 ISBN 0-19-512556-8* Fonseca, Isabel: "Bury Me Standing: The Gypsies And Their Journey", London, Vintage, 1996.
* Guenter Lewy, "The Nazi Persecution of the Gypsies", Oxford, Oxford University Press, 2000 ISBN 0-19-512556-8* Fonseca, Isabel: "Bury Me Standing: The Gypsies And Their Journey", London, Vintage, 1996.