Dentist in Penn Yan, New York. Holograph diary noting an ocean voyage to Central America and a stay in Nicaragua; also entries on the Civil War and social life of a resident of Penn Yan, New York.

Correspondence, photographs, journals, clippings, etc. relating to the Porter family of Skaneateles and Lockport, New York, primarily Stanley Porter and Benjamin H. Porter, who served in the Union Navy during the American Civil War. Other family members represented include his parents, James and Sarah, and his siblings Seth and Laura. At one time known as the Mensing-Braun Collection of Civil War Material.

Correspondence, writings, memorabilia pertaining to the American Civil War.

The collection consists mostly of correspondence of the Roberts family and to a smaller extent of the Wentworth family. The majority of the letters was written during the Civil War by William Jay Roberts to his sister and mother and by George B. Wentworth to his wife. There are also letters written by Roberts' sister Jennette as well as by Wentworth's son and daughter-in-law. In addition to the correspondence there are also a few items of memorabilia, including William Jay Roberts' diary for 1861 and a record book of Company I of the 8th Regiment of the Connecticut Volunteers containing entries by several officers as well as letters and field orders and other miscellaneous military documents related to William Jay Roberts.