Reports for 1863-90 include accession lists for the year. Beginning with 1893, the apprendixes consist of the various bulletins issued by the Library (Additions; Bibliography; History; Legislation; Library school; Public libraries)

Publishes in-depth articles on labor subjects, current labor statistics, information about current labor contracts, and book reviews.

From 1889 to 1918 the reports consist of the Report of the director and appendixes, which from 1893 include various bulletins issued by the library (Additions; Bibliography; History; Legislation; Library school; Public libraries) These, including the Report of the director, were each issued also separately.