| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Commission to Study Social Insurance and Unemployment: Hearings Before the Committee on Labor, House of Representatives, Sixty-Fourth Congress, First Session, on H. J. Res. 159 | 978-1-112-57574-7 (1-112-57574-X) | 2009 |
| H.R. 11651--Eight Hours for Laborers on Government Work: Hearings Before the Committee on Labor, of the House of Representatives, May 3, 16, 18, 22, 24, 28, and 29, 1906 | 978-1-112-52227-7 (1-112-52227-1) | 2009 |
| National Arbitration Bill: Hearings Before a Subcommittee of the Committee on Labor of the House of Representatives, March 16, 30, April 6, 13, 1904 | 978-1-112-52209-3 (1-112-52209-3) | 2009 |
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