Biennial Report of the Bureau of Labor Statistics for the State of Iowa: Volume 6

Biennial Report of the Bureau of Labor Statistics for the State of Iowa: Volume 7

Biennial Report of the Bureau of Labor Statistics for the State of Iowa: Volume 14

Report of the Bureau of Labor Statistics for the Biennial Period Ending ...: Volume 10, Parts 1901-1902

Biennial Report of the Bureau of Labor Statistics for the State of Iowa: Volume 4

Report of the Bureau of Labor Statistics for the Biennial Period Ending June 30 ...

Biennial Report of the Bureau of Labor Statistics for the State of Iowa

Biennial Report of the Bureau of Labor Statistics for the State of Iowa: Volume 12

Report of the Bureau of Labor Statistics for the Biennial Period Ending ...: Volume 4, Parts 1890-1891

Report of the Bureau of Labor Statistics for the Biennial Period Ending ...: Volume 9, Parts 1899-1900

Biennial Report of the Bureau of Labor Statistics for the State of Iowa: Volume 15

Biennial Report of the Bureau of Labor Statistics for the State of Iowa: Volume 6

Biennial Report of the Bureau of Labor Statistics for the State of Iowa

Biennial Report of the Bureau of Labor Statistics for the State of Iowa: Volume 2

Bulletin: 2, 4-7, 8, 9, 10, 17, 18, Volumes 1-11

Biennial Report of the Bureau of Labor Statistics for the State of Iowa: Volume 15

Biennial Report of the Bureau of Labor Statistics for the State of Iowa: Volume 12

Biennial Report of the Bureau of Labor Statistics for the State of Iowa

Biennial Report of the Bureau of Labor Statistics for the State of Iowa

Biennial Report of the Bureau of Labor Statistics for the State of Iowa: Volume 14