Folk Dancing in the Netherlands
   Features photographs and descriptions of traditional costumes.
   http://www.xs4all.nl/~sustan/folkdance.html

From Russia with Love
   This exhibition, at the National Gallery of Australia, displays the elaborate designs made for the Russian Ballet between 1909 and 1933. Includes costumes, drawings, photographs and theatre programs.
   http://www.nga.gov.au/russia/

The Mariinsky Theatre's Costume Departments for the Kirov Opera and Ballet
   Detailed descriptions of their process for making ballet costumes and all the accessories for the dancers. Many photos.
   http://www.costumes.org/travel/00pages/maryinski.htm