000 00444 a2200133 4500
080 _a025.43
_bL 697 C
245 1 _aClassification
260 _aWashington
_bLibrary of Congress, Processing Department, Subject Cataloguing Division
_c1964
650 _aLibrary Classification
700 _aLibrary of Congress, Processing Department, Subject Cataloguing Division
500 _aClass T. Technology - Supplement
100 _a
_d
901 _a119967
999 _c58756
_d58756