Lettercopy and letterpress books (1802-1880), daybooks (1800-1867), cashbooks (1829-1876), ledgers (1796-1878), and other business records of the firm founded by Alexander Brown in Baltimore, Md., circa 1800 which grew from a mercantile business into an international banking house.

Records of the Congressionally-chartered commercial bank charged with central bank responsibilities for the United States and of its successor, the Merchants’ Bank of Baltimore. Correspondence and banking and legal records highlighting the business of the bank both as a Congressionally-chartered institution and as a state-chartered bank.

Financier and philanthropist. Correspondence, letterpress books, financial papers, newspaper clippings, printed matter, and other papers relating primarily to Corcoran's business and banking interests and philanthropic efforts.

Garrett family of Baltimore, Md. Family members represented include Robert Garrett, railroad official, financier, and merchant, and his son John W. Garrett, railroad official and financier. Correspondence, business documents, and other papers relating to mercantile affairs in Baltimore, Maryland, and to Robert Garrett & Sons and the Baltimore and Ohio Railroad Company.

Lawyer, army officer, and businessman of Baltimore, Md. Family and general correspondence, legal files, financial papers, and other material relating chiefly to Meredith's associations with the Savings Bank of Baltimore and the Bank of the United States; the War of 1812; impeachment proceedings against James Hawkins Peck; shipping and trade with Europe and South America; and settlement of the estates of Charles Carroll and Robert Oliver.