Consists of documents, photographs, newsclippings, correspondence and other materials related to the trials, convictions and multiple appeals of Thomas Mooney and Warren K. Billings for the 1916 Preparedness Day Bombing in San Francisco. Materials also include bound trial transcript volumes, a copy of Estolv E. Ward's manuscript, The Gentle Dynamiter (later published), an unpublished manuscript by Thomas M. McDade on the case, and additional research files on violence and labor defense, particularly related to the history of the United Mine Workers.

(34 boxes)

Copyright has not been assigned to the Labor Archives and Research Center. All requests for permission to publish or quote from materials must be submitted in writing to the Director of the Archives. Permission for publication is given on behalf of the Labor Archives and Research Center as the owner of the physical items and is not intended to include or imply permission of the copyright holder, which must also be obtained by the reader.

Collection is open for research.