Correspondence in subject [X]
Printing industry -- Employees -- Labor unions - Ohio -- Dayton in subject [X]
Dayton (Ohio) -- Labor in subject [X]
Graphic Arts International Union. Local No. 199 (Dayton, Ohio) -- Archives in subject [X]
Labor unions -- Ohio -- Dayton -- History -- 20th century in subject [X]
Graphic Arts International Union in subject [X]
Labor unions -- Graphic arts -- Ohio in subject [X]
Collective bargaining -- Printing industry -- Ohio -- Dayton in subject [X]
Collective labor agreements -- Printing industry -- Ohio in subject [X]
Microfilm in subject [X]