The Marmaduke Burrough papers is comprised of 495 letters, 51 essays and personal papers, 5 drawings, 418 financial records, 20 documents, and 4 items of printed material.
The Correspondence series holds Burrough's business, official, and personal items. The letters are mostly to Burrough though some are copies and drafts of letters by him. Many letters contain routine material on provisioning U.S. naval ships at Vera Cruz or requests from U.S. citizens for assistance, while others are from fellow consuls in Mexico. These describe tensions between U.S. and Mexico over the question of Texas annexation and express opinions on Washington politics. Other notable topics include the arrests of U.S. citizens by the Mexican Navy for being "Texas Pirates," the discussion of an assassination attempt on President Jackson, and the expected election of Martin Van Buren. A few letters are in Spanish and French.
The Essays, Drawings, Personal Papers, and Notes series holds many interesting items, such as a bundle of poems; medicine lists and prescriptions with notes; sketches of the island of Borneo and a beautiful detailed drawing of an Indian man riding a rhinoceros (undated); and a number of essays including travel notes and observations on leprosy.
The Financial Records series consists of bundles of ship provisions and medical inventories, travel notes, receipts, legal documents, accounting sheets, and a subseries of loose receipts and accounts.
The Documents series contains contracts, investment memoranda, an official appointment as consul, debt settlements, partnership agreements, insurance documents, and a deposition of witness for the seizure of an American ship by the Mexican government for importing counterfeit coins into Mexico.
The Printed Materials series holds a booklet called Friends' Miscellany (1831) and three formal invitations.