The Henri Arnold collection consists primarily of items regarding Jumble: That Scrambled Word Game, a daily syndicated puzzle with cartoon, by Henri Arnold and Bob Lee, as well as Junior Jumble . Items include original artwork (some with color separations and/or paste-ups), numerous proofs, and some photocopies. The run from 1961 to 1986 is substantially complete.

Also included in the collection are six photographs of Arnold, taken for Seventeen magazine, and a copy of Life magazine dated Nov. 10, 1967.