Marvelous series of photos of Ashton rehearsing Illuminations at NYCB in 1967 as well as the performance on stage —
by Martha Swope, posted in the Library for the Performing Arts Digital Collections.
Here’s Mimi Paul w/Ashton. John Prinz and Sara Leland are dancing the roles created in 1950 by Nicholas Magallanes and Melissa Hayden.
Use the arrows at the bottom right of the screen to scroll through.