Abstract Letters from John B. Carson, president of the Chicago and Western Indiana Railroad Company and Belt Railway Company of Chicago (formerly Chicago and Western Indian Belt Railway Company) to Anthony J. Thomas who represented J.P. Morgan railroad interests in New York City. Thomas also was the treasurer of this company, which was mostly concerned with financing for construction projects like viaducts and two-way track in Chicago.

Abstract Financial records (Ledgers, Journals, Construction Accounts, and Miscellaneous Accounts) of the CB&Q Railroad Company. Mostly detailed financial records kept in large ledger books. Forms part of the Chicago, Burlington & Quincy Railroad Company Records.

Abstract Correspondence, statements, reports, and other papers related to different aspects of the Chicago, Burlington & Quincy Railroad Company (CB&Q) operations, grouped by decade: 1860, 1870, 1880, 1890, and 1900. Each decade comprises a separate series, and subseries within each decade follow the same sequence: Statements, Equipment, Personnel, Legal, Contracts, New Lines, Pools, and Miscellaneous, with a separate Strike subseries in 1880. Forms part of the Chicago, Burlington & Quincy...

Abstract Financial materials of the Chicago, Burlington & Quincy Railroad Company (CB&Q), primarily papers and oversize volumes concerning stocks and bonds, showing the history of sales and transfers. Forms part of the Chicago, Burlington & Quincy Railroad Company Records.