These sources all relate in some way to how productivity was viewed or measured. Many of these are direct reports on labor and labor efficiency.
Caroll Wright, Hand and Machine Labor (1898)
In August of 1894, the US Congress passed a resolution that charged US Commissioner of Labor, Carroll W. Wright, to undertake a comparative study of the effects of mechanization on labor and production costs…
Bureau of Labor Statistics, Labor Efficiency in the Manufacture of Common Brick (1920s)
In the early 1920s, officers of the US Bureau of Labor Statistics (BLS) undertook a series of studies to update the 1898 report on Hand and Machine Labor…
Bureau of Labor Statistics, Men’s Work Pants (1951)
Between 1951 and 1954, the United States Bureau of Labor Statistics created a series of 48 reports that would show, in detail, the productivity of American industries, and give detailed technical information on how these companies achieved their productivity…
Herman J. Rothberg, A Case Study of a Large Mechanized Bakery (1956)
In the mid 1950s, the Bureau of Labor Statistics took on a new study of the American workforce. As the demand for more knowledge of the ways that automation affected business increased, the Bureau started a series of reports detailing the ways that computing technology had been implemented in a series of businesses…
Productivity Machines 