| (5068) Fort Pitt Steel Casing Strike, McKeesport, Penn., 1913 |
| (5066) William McKay, Portrait, 1920s |
| (5073) Union Meetings, Outdoor, 1900s-1910s |
| (5064) Workers, Marine Transport, MTWIU 510, 1910s-1920s |
| (5071) Mining, Mahutska Mining Company, Oklahoma, 1910s-1920s |
| (5081) Conventions, Ettor, Koettgen, Chicago, 1913 |
| (5069) Fort Pitt Steel Casing Strike, McKeesport, Penn., 1913 |
| (5078) Arturo Giovannitti, Portrait, 1910s |
| (5067) Fort Pitt Steel Casing Strike, McKeesport, Penn., 1913 |
| (5076) Conventions, Group Photo, Chicago, 1913 |
| (5065) Workers, Marine Transport, Hazardous Conditions, 1910s |
| (5072) Mining, Mahutska Mining Company, Oklahoma, 1910s-1920s |
| (5062) Workers, Marine Transport, Portraits, 1910s |
| (5070) Mining, Mahutska Mining Company, Oklahoma, 1910s-1920s |
| (5059) Thomas Mann, Portrait, 1910s |
| (5055) Thomas Mann, Portrait, 1910s |
| (5060) Thomas Mann, Portrait, Undated |
| (5058) Thomas Mann, Group Photo, 1910s |
| (5033) Lumber Industry, Lumber Mills, Hoquiam, Washington, 1910s |
| (5026) Lumber Industry, Working Conditions, Maine, 1910s |
| (5043) Lumber Industry, Living Conditions, 1910s |
| (5038) Lumber Industry, I.W.W. Halls, Arlington, Washington, 1917 |
| (5034) Lumber Industry, Pacific Northwest, 1910s |
| (5032) Lumber Industry, Machinery, 1910s |
| (5046) Lumber Industry, Redwoods, Pacific Northwest, 1910s |
| (5039) Lumber Industry, I.W.W. Hall, Sedro Woolley, Washington, 1917 |
| (5035) Lumber Industry, Everett Massacre, Elizabeth Gurley Flynn, Seattle, 1917 |
| (5020) Lumber Industry, Machinery, New York, 1910s |
| (5008) Lumber Industry, Arrests, Yakima, Washington |
| (5018) Lumber Industry, Methods, 1900s |
