Autographed books include an assortment of authors, writers, and artists who have no existing special collection of their own.
The Colorado-Henkle Collection consists of materials, mostly published, relating to the state and territory of Colorado. The once private collection was purchased in total in 1969. The collection saw substantial grown between 1969 and 1978 as Herman Henkle was regularly donating items to the collection before his death.
A collection of rare and historical maps from all over the world dating from the 16th century through the 19th century. There is a special emphasis on maps from Southeast Asia due to the distinction of the Donn V. Hart Southeast Asia Collection at NIU.