Gwinn,Robert,P.
New Encyclopedia Britannica
- Chicago Encyclopedia Britannica Inc 1989
- V13-1053, V14-1024, V15-1096, V16-994, V17-1052, V18-1009, V19-1000, V20-849, V21-970, V22-1002, V23-1010, V24-1038, V25-1082, V26-1046, V27-986, V28-1110, V29-1147
0-85229-493-x
ENCYCLOPAEDIA
30 / GWI/ENC