1921-1989 1923- 1950- 1960- 1967-1996 20thcentury 21stcentury americanballettheatre andreĭ authors autobiography ballerinas berlin bio020000bio022000bio012000 biography bobrovnikova bonnėr chicago concertprograms correspondence criticismandinterpretationaldunate criticismandinterpretationfirsova culturalassimilation danceteachers diaries dissenters ferrante germany governmentattorneys historyandcriticism illinois italian judges kagan lawteachers lawyers mexican music newyork newyork(state) padilla poets politicalprisoners poniatowska puertoricans reference russia(federation) russian sakharov socialconditions sovietunion tchernichova unitedstates women womenauthors