of the University of California, all of whom, in the earlier and more critical stages of the work, gave many helpful suggestions as to organiza tion, form, and subject-matter. Dr. Priestley and Mrs. Sanchez in trans lating, and Mrs. Cornish in typing, never wearied or slackened in their efforts to co-operate with the editor in every possible way. In the Uni versity of Texas the editor has had the advice and assistance of Dr. Eugene C. Barker, chairman of the school of history, and of Mrs. Mattie Austin Hatcher, archivist. My wife has constantly encouraged and helped in the work from the outset.
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