00456nam a2200157Ia 450000100060000000800410000608200100004710000310005724500820008825000140017026000490018430000270023365300120026065300120027265300140028436699170207s1949    ii a   g     b000 u 465 u  a792.8  aAmberg, George .,eAuthor. 0aBallet: The Emergence of an American Art /cGeorge Amberg.hTextual Documents  a1st ed. /  aAmerica :bThe New American Library ,c1949.  a218p. :bill ;c20cm .  aEnglish  aTheatre  aG-English