12022-04-07T13:50:54+00:00Chicago History Museum1plain2022-04-07T13:50:54+00:002012 Archives and manuscript collections include personal papers and institutional records from Chicagoans and Chicago institutions such as Claude A. Barnett, director of the Associated Negro Press; the Board of Lady Managers of the World’s Columbian Exposition of 1893; the Brotherhood of Sleeping Car Porters; Senator Paul H. Douglas; District 31 of the United Steelworkers of America; and Marshall Field & Company. The total collection approximates 22,000 linear feet in length. Learn more here.