Correspondence, reports, maps, blueprints, financial documents, advertising materials, photographs, and other items documenting the history of the Chicago, Burlington & Quincy Railroad Company (CB&Q), which existed from 1855 to 1970.

Incoming and outgoing letters of Chicago, Burlington & Quincy Railroad Company (CB&Q) executives, members of the board, lawyers, and other employees. Content covers virtually all aspects of railroad management, including financial and legal matters, expansion and acquisition, relations with other railroads and subsidiaries, personnel and policies, construction, rates, and other business matters. Forms part of the Chicago, Burlington & Quincy Railroad Company Records.

Correspondence between Chicago, Burlington & Quincy Railroad Company (CB&Q) officers and directors, organized by Boston or Chicago office of origin. Content includes railroad extensions, construction, salaries, financial issues, strikes, and other aspects of company management. Forms part of the Chicago, Burlington & Quincy Railroad Company Records.