Available online from Hathi Trust External
There is written analysis and graphs. One chapter presents information by level of employee and presents data in chart format for maintenance jobs, yardmaster, etc. with some written analysis. Another looks at comparisons with ICC data.

Available online from from the St. Louis Federal Reserve's FRASER project External
Index for the years 1886-1971 available online from from Cornell External
Index for the years 1972-1977 available online from St. Louis Federal Reserve's FRASER project External
Index for the years 1978-1998 available online from from Cornell External
Guide from the University of Missouri with specific occupations and places noted External
In the index look under Wages and Hours for specific trades like automobile repair/garages, building trades, clothing industry, cotton textiles, foundries, glove industry, hat industries, etc. This is also where they published a lot of the data for the Area Wage Surveys for specific places.
Initially this publication was published with several articles in each issue; over time publishing changed and individual issues received their own call number. Some issues look at specific occupations in specific places as well. Specific reports of interest:
Wages and Hours of Labor in the Building
and Repairing of Steam Railroad Cars, 1890
to 1912, Bull. 137 (1914)
Union Scales of Wages and Hours of Labor: 1927-28, Bull. 476 (1929); May 15, 1929, Bull. 515 (1930); May 15, 1930, Bull. 540 (1931); May 15, 1931, Bull. 566 (1932). There is also Pennsylvania Railroad Wage Data, Bull. 514 (1930).

Holdings: 1948-1966, 1977
Information on the number of employees covered the Railroad Retirement Act. Detailed statistical data on the number of employees by class, occupation, occupation group.

This is a multi-volume set. Index page for each data has who testified before the U.S. Railroad Wage Commission in a series of hearings from January to March 1918. Set 1 has 11 volumes numbered by hearing: v1-3 (January 28-30); v4-5 (February 4-5); v6 (February 8); v7-8 (February 11-12); v9 (February 13); v10-11 (February 14 and 18); v12-13 (February 19-20); v14 (February 21); v15 (February 25); v16-17 (February 26 and 28); v18-21 (March 7, 13, 15, 28).

This was compiled from reports of 15 representative Class I Carriers by the Statistical Bureau and covers the earnings of employees.

Available online from Hathi Trust External
This was a common print (and electronic title) that profiles occupations but exists as the online External now. See the Transportation section for railroad worker information.

This title includes statistical data on wages. There is also an earlier edition that covers the years 1900-1941.

This was done by the Statistical Bureau for Class I carriers and covers pay information for mechanics and maintenance workers on the railroad.

Data covers the years 1963-1976 for jobs covered by the Rail Road Retirement & Railroad Unemployment Insurance Act. Detailed information employees and compensation by class and occupation group.

Traces changes in wage scales 1922-1977 in chronology form. Department of Labor "Bulletin" number 2041.