A collection of manuscripts and documents dating to 1576.

The collection contains the original journal kept by Roswell Park of the expedition against Cuba in 1762.

An album of autographs collected by E.P. Sears, a Buffalo attorney. Autographs are from prominent Western New York residents, New York State and nationally-known businessmen, politicians, authors and cultural figures.

The collection contains the receipt for annuity paid to the Seneca Indians.

Letters written by Dr. William B. Mann, 1853-1891, discussing family matters; his studies at the Albany Medical College and the University of Buffalo Medical School; his service as an assistant surgeon in the U.S. Navy during the Civil War; and other matters. Also includes letters of other family members, 1803-1858.

Letters written by Dr. William B. Mann, 1853-1891, discussing family matters; his studies at the Albany Medical College and the University of Buffalo Medical School; his service as an assistant surgeon in the U.S. Navy during the Civil War; and other matters. Also includes letters of other family members, 1803-1858.

Correspondence, diaries, photograph albums of Muriel Orr-Ewing (nicknamed "Meiko"). Collection includes records as founding president of the British Association of Women Executives and headmistress of the English girls finishing school, The Grove. Also includes personal correspondence with opera singer, Adèle Leigh, child author Berthe Grimault, and other notable writers and poets.