Collection
- Rewards of Merit Collection, ca. 1800-1900s (majority within 1830-1900)2
- Richard Crossley Civilian Conservation Corps Photograph Album, ca. 1938-19402
- Robert Morgan letters, 1830-18432
- Robert W. McCleery papers, 1845-1863 (majority within 1862-1863)2
- Rochester (Pa.) High School Freshman manuscript year books, 19122
- Rogers Family Trip to China Photograph Album, ca. 19102
- Rosa Boyer notebook, 1881-18872
- Rowland Stephenson Scrapbook, ca. 1767-18402
- Samuel Burrier cypher book, 1821-18222
- Samuel May Photograph Album, ca. 1943-19462
- Samuel Winship cash book, 1826-18272
- Samuel and Mary Bonnell diaries, 1848-18552
- San Luis Valley, Colorado, Promotional Album, 19082
- Sears and MacDougall family collection, 1910s-1960s (majority within 1924-1953)2
- Seth Tinkham diary, 1758-17592
- Shimer family penmanship and cypher books, 1846-18532
- Smith family travel photograph albums, 1874-18752
- Society for the Prevention of Cruelty to Disabled Hats, ca. 1869-18702
- Stephen Williams penmanship copybook, [1840s]2
- Stephentown (N.Y.) Library School District account book and William Wallace Elliot penmanship exercise book, 1838-18402