| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Class in America : An Encyclopedia | 978-0-313-33719-2 (0-313-33719-5) | 2007 | |
| Historical Encyclopedia of American Labor: Volume 2 | 978-0-313-32864-0 (0-313-32864-1) | 2004 | James P. Hanlan |
| Workers in America : A Historical Encyclopedia | 978-1-59884-718-5 (1-59884-718-X) | 2013 | |
R. E. · R. Weir · Robert E. · Robert W. · Robert Weir