Arbeiten für wenig Geld

[William Wheeler Hubbell, authorized to apply for patents.]

United States. Congress. Senate. Committee on Patents

1858

Tax administration

United States. General Accounting Office

1986

[To pay Francis W. Sykes compensation and mileage of Senator.]

United States. Congress. Senate. Committee on Privileges and Elections

1871

Sixteenth census of the United States

United States. Bureau of the Census

1900

[To promote education of the blind.]

United States. Congress. Senate. Committee on Education and Labor.

1870

Six Centuries of Work and Wages

James E. Thorold Rogers

1884

Value, price and profit, addressed to workingmen

Karl Marx

1898

Lohnarbeit und Kapital

Karl Marx

1902