American Ballet Theatre

Ruth Ann Koesun of the American Ballet Theatre poses for a photograph in an unidentified costume.

American Ballet Theatre prima ballerina Cynthia Gregory performs with the ensemble as the Princess in Marius Petipa's ballet ''Sleeping Beauty'' which was aired live on public television as part of the series ''Live From Lincoln Center.''

Portrait of Michael Smuin of the American Ballet Theatre and photograph of him performing in Loring's ballet ''Billy the Kid.''

Daniel Levins of the American Ballet Theatre performs with Sallie Wilson (left) and Paula Tracy (right) in ''A Soldier's Tale.''

Ted Kivitt of the American Ballet Theatre performs with the ensemble in Petipa and Blair's ballet ''Swan Lake.''

Natalia Makarova, of the American Ballet Theatre, dances the role of Odette/Odile in Petipa and Ivanov's full length ballet ''Swan Lake'' as part of the PBS special ''Live from Lincoln Center.''

The American Ballet Theatre performs in Act II of ''Swan Lake.''

Members of the American Ballet Theatre perform in ''Swan Lake.''

The American Ballet Theater performs the first act of ''Tales of Hoffmann.''

The American Ballet Theater performs the prologue of ''Tales of Hoffmann.''