Union rules and practices
Subtitle: limiting output and impairing efficiency in the anthracite fields; submitted to the United States Coal commission on behalf of the General policies committee of anthracite operators, May 51, 1923
Published: 1923
Place of publication: Philadelphia?
Language: eng
Number of pages: 12
Subjects: Coal miners; United Mine Workers of America
Notes: Signed: Walter Gordon Merritt, counsel, General policies committee of anthracite operators.