Miscellaneous letters relating to administrative matters in the US Army including orderings of materials, receipts, and letters of recommendation for subordinates. One of the items is a signature certifying the orders of Major General Howe. The materials relate to the War of 1812 or shortly before. All items were signed by Pike.

Typewritten book draft with handwritten corrections. Also included is the blueline proof also with handwritten corrections. The draft is an account of Zebulon Pike's explorations in Colorado. The item was submitted to the Old Army Press for publication.

Handwritten and signed letter, dated March 13, 1813, and addressed to General M. L. Woolsey in Plattsburgh, New York. The item was written from Sackets Harbor. Pike writes concerning supplies necessary for an invasion.

Handwritten and signed letter, dated May 26, 1809, and addressed to Jonathan Williams, commanding officer at the United States Military Academy at West Point. Pike writes concerning the activities and accomplishments of his brother, George, at the academy.

Two handwritten and signed letters. One of these items is dated June 12, 1798 and is addressed to John Wilkins. It certifies that a Joseph Henry of the quarter master department is entitled to compensation for his services. The second item is dated March 1, 1813 and is addressed to M.L. Wolsey. It is a request for sleighs and provisions needed for Pike's regiment during the War of 1812.