Lewis, Ivor. 1991. Sahibs, Nabobs and Boxwallahs: A Dictionary of Words of Anglo-India. Oxford: Oxford University Press. 266 pages. ISBN 0-19-564223-6. «They were introduced in England as lounging attire in the 17th century but soon went out of fashion. About 1870 they reappeared in the Western world as sleeping attire for men, after returning British colonials brought (them) back ….» Encyclopædia Britannica. Retrieved December 29, 2006, from: Encyclopædia Britannica OnlineАрхивная копия от 8 января 2008 на Wayback Machine.
Lewis, Ivor. 1991. Sahibs, Nabobs and Boxwallahs: A Dictionary of Words of Anglo-India. Oxford: Oxford University Press. 266 pages. ISBN 0-19-564223-6. «They were introduced in England as lounging attire in the 17th century but soon went out of fashion. About 1870 they reappeared in the Western world as sleeping attire for men, after returning British colonials brought (them) back ….» Encyclopædia Britannica. Retrieved December 29, 2006, from: Encyclopædia Britannica OnlineАрхивная копия от 8 января 2008 на Wayback Machine.
