General Catalogue of Variable Stars
[af] General Catalogue of Variable Stars
[ar] فهرس النجوم المتغيرة العام
[ast] General Catalogue of Variable Stars
[ca] Catàleg General d'Estrelles Variables
[de] General Catalogue of Variable Stars
[es] General Catalogue of Variable Stars
[fr] General Catalogue of Variable Stars
[it] General Catalogue of Variable Stars
[ja] 変光星総合カタログ
[lb] USNO CCD Astrograph Catalog