1. Ham-mock-ha-vi [vocabulary], by Major Heintzelman. No date. 6 pages.
2. Mohave [vocabulary], by Lt. Mowry. No date. 6 pages. Recorded in Comparative Vocabulary. Copied by George Gibbs. Informant: Olive Catman, a five year captive of the Mohave.
3. Comparative vocabulary of Mohave and Humokhavi. No date. 13 pages. Recorded in Department of Interior Comparative Vocabulary. Copied by Gibbs. Mohave contents from Manuscripts 819-a and 1042.