Scope and Contents Printed letter dated Washington City, D.C., May 16, 1846, addressed to "Dear Sir" and bearing Archibald Yell's autograph signature, seeking assistance in raising a volunteer regiment in Arkansas [1st Regiment, Arkansas Volunteer Cavalry] for service in the Mexican War. Page 2 contains printed texts of Congressional act of May 13, 1846 "...providing for the prosecution of the existing war..." and of President James K. Polk's proclamation of the same date. Penned at foot of page 1 is previous...