Items in New York Heritage are organized into collections, which provide additional context for understanding their significance and meaning.

Papers relating to Civil War Union Officer William Henderson Baird and his family at the time of the Civil War.
The William N. Weeden Color Printing Manuscript is an inventor's hand-written account in 1886 of his discovery of a printing method that produced multi-color printing with one impression. The collection includes color prints generated by the process.
Originally founded as two separate colleges – Hobart College in 1822 and William Smith College in 1908 – Hobart and William Smith Colleges enjoy a rich and unique history that spans nearly 200 years on Seneca Lake. Below is a timeline of the Colleges’ major milestones and events from its foundation until present day.
A collection of letters written by William Suydam during the Civil War.
Glass plate negatives taken by William Thompson Howell as he explored the New York Highlands.

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