138 leaves bound. Carbon copies of transcriptions of official documents. Most of the transcriptions were done in 1875 and some in 1887; their fidelity to the originals is sworn to by the San Francisco Notary Public.

325 leaves bound. The bulk of the materials date from 1874-1978. Some of them are in Spanish, but most are in English. The volume was compiled by Antonio Milatovich. A holograph map, in pencil, of the northern part of Baja California appears after the title page to the volume. Major correspondents include Adolfo Palacio, William McCrindle, William Denton, and Robert McKay.

78 leaves bound.