- Emerson Holdings in the Special Collections
- Thoreau Holdings in the Special Collections
- Alcott Holdings in the Special Collections
- Hawthorne Holdings in the Special Collections
- Channing, Fuller, Peabody, and Sanborn Holdings in the Special Collections
- The Concord Authors Collection
- The Concord Pamphlet Collection
- Topical Pamphlet Collection
- Concord Free Public Library Broadside and Poster Collection,1775-2015