The great change work and wealth in the new age

Xehetasun bibliografikoak
Egile nagusia:	Bohn, Frank 1878-
Beste egile batzuk:	Ely, Richard Theodore, 1854-
Formatua:	Liburua
Argitaratua:	New York T. Nelson [1935].
Gaiak:	United States > Economic condition. > 1918- United States > Politics and government > 1933- Machinery in the workplace.