000 00279cam a22000977a 4500
008 180718b1950 xxu||||| |||| 00| 0 eng d
082 _aA343 Un3com
245 _aTheory and practice of composition
260 _aWashington
_bUnited States Government Printing
_c1950
300 _a242+p.
999 _c487518
_d487518