[Includes materials previously published as Wage chronology 30, covering period 1 930-51; Supplement 1, 1952-55; Supplement 2, 1956-57; and Supplement 3, 1958-59.]
Notes:
[Includes materials previously published as Wage chronology 30, covering period 1 930-51; Supplement 1, 1952-55; Supplement 2, 1956-57; and Supplement 3, 1958-59.] † Distribution Made by Issuing Office.