"This digital collection consists of over 30 full-text, digitized children's books. The books were selected using the following criteria: publication date, rarity, uniqueness, size, and location of publication. All of the items in the digital collection were published before 1923, and are in the public domain. The oldest book in the digital collection, Dolly's ABC was published in 1854. Many of the items in the digital collection are quite rare, with only a few other holdings available."