The Ellwanger and Barry Papers includes the records of Ellwanger and Barry Nursery to 1918, including correspondence, order books, sketchbooks, stock record books, catalogs, price lists, inventories, and account books; records of Ellwanger and Barry Realty Company to 1963, including financial and legal papers, account books, payroll records, and blueprints for houses on the Ellwanger and Barry tract. Also business and personal correspondence, account books, and financial records of Patrick Barry, Charles P. and Julia Wald Barry, Bernard and Harriet Barry Liesching, and Arthur A. Barry, including much information about Rochester banks and civic organizations. Also family photographs and scrapbooks; memorabilia; diaries of Patrick Barry, 1857-72; and record of soldiers' bounties, 1862-1863.

The Monroe Co-Operative Building Lot Association of Rochester records, 1872-1879, highlights the period of expansion of the city of Rochester's western edges in the 1870s. Documents include shareholder and membership certificates for the sales of lots to numerous individuals, three treasurer books, bonds, discharge of mortgages, assignments of mortgages, indentures and mortgages, and related documents, including surveyor reports by Daniel Drummond, a rebuttal report, and a partial treasurer's report.