000 00284pam a2200121a 44500
010 _a54007582
082 _a160
_bJ64E
100 _aJohnstone, Henry W.
245 1 _aELEMENTARY DEDUCTIVE LOGIC
260 _a
_bThomas Y. Crowell Company
_c1954
964 _gCIRC
997 _a33326 C
999 _c412538
_d412538