in the form of chronicle, memoir, private correspondence, legal codes, or official documents. Among these are various contemporary manuscripts, covering the whole ground of the narrative, none of which have been printed, and some of them but little known to Spanish scholars. In obtaining copies of these from the public libraries, I must add, that I have found facilities under the present liberal government, which were denied me under the preceding. In addition to these sources of information, I have availed myself, in the part of the work occupied with literary criticism and history, of the library of my friend, Mr. George Ticknor, who during a visit to Spain, some years since, collected whatever was rare and valuable in the literature of the Peninsula. I must further acknowledge my obligations to the library of Harvard University, in Cambridge, from whose rich repository of books relating to our own country I have derived material aid. And, lastly, I must not omit to notice the favors of another kind for which I am indebted to my friend, Mr. William H. Gardiner, whose judicious counsels have been of essential benefit to me in the revision of my labors.
In the plan of the work, I have not limited myself to a strict chronological narrative of passing events, but have occasionally paused, at the ex-
