Humphrey, Edward Frank.
An economic history of the United States / Edward Frank Humphrey. - New York : The Century, 1931. - viii, 638 p. ; 22 cm. - Dbe century historical series .
Economics history--United States
330.973 / HUE
An economic history of the United States / Edward Frank Humphrey. - New York : The Century, 1931. - viii, 638 p. ; 22 cm. - Dbe century historical series .
Economics history--United States
330.973 / HUE