A few nice asian sourcing images I found:
Ruth St Denis in a Burmese solo dance.
Image by New York Public Library
Digital ID: DEN_1529V. Muray, Nickolas — Photographer. 1923.
Notes: National Endowment for the Arts Millennium Project.
Source: Denishawn Collection (more info)
Repository: The New York Public Library. The New York Public Library for the Performing Arts. Jerome Robbins Dance Division.
Rights Info: No known copyright restrictions; may be subject to third party rights (for more information, click here)
Dance Source Houston’s “Julydoscope”, Discovery Green, Houston, Texas 2014.07.19
Image by fossilmike
055. Dance of Asian America