Encarta '95 @ "Polk, James Knox," Microsoft (R) Encarta. Copyright (c) 1994Microsoft Corporation. Copyright (c) 1994 Funk & Wagnall'sCorporation.
The cited information was published by MicroSoft 1995 (Ref: "Polk, James Knox," Microsoft (R) Encarta. Copyright (c) 1994Microsoft Corporation. Copyright (c) 1994 Funk & Wagnall'sCorporation.) This citation is considered to be direct and primary evidence used, or by dominance of the evidence.
Encarta '95.