LC control no. | n 88663454 |
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Personal name heading | Sinkov, Abraham, 1907- |
Found in | nuc88-2933: His Elementary cryptanalysis, 1966 (hdg. on NcD rept.: Sinkov, Abraham, 1907- ; usage: Abraham Sinkov) LC data base, 9/26/88 (hdg.: Sinkov, Abraham, 1907- ) |