Washington, : U. S. Government printing office, 1976 - 3 v. in 4 ; 23 cm. ( (Il volume I contiene : Eightieth congress first and second sessions), 1947-1948. Il volume II contiene : Eighty- first congress first and second sessions, 1949-19 50. I volumi III.1 e III.2 contengono : Eighty-second congress first session, 195 1. |
|