3 public-domain matches

Abstract Labor

Cover of Labour and Value

Labour and Value

Ernesto Screpanti

Cover of Abstract of proposals for materials and labor for Engineer department, 1912

Abstract of proposals for materials and labor for Engineer department, 1912

United States. Army. Corps of Engineers.

Cover of Statistical abstract of foreign countries

Statistical abstract of foreign countries

United States. Dept. of Commerce and Labor. Bureau of Statistics.