Bolton, Herbert E. [editor]:

$750 · Offered by William Reese Company

ATHANASE DE MEZIERES AND THE LOUISIANA-TEXAS FRONTIER 1768 - 1780: DOCUMENTS PUBLISHED FOR THE FIRST TIME, FROM THE ORIGINAL SPANISH AND FRENCH MANUSCRIPTS, CHIEFLY IN THE ARCHIVES OF MEXICO AND ... Prints important documents for the history of the Southwest never before published.

Found via Rare Books Intel, a search across rare-book dealers, auction houses and marketplaces worldwide.