The Marriott Employees Staff Association contains photographs documenting activities of the Marriott Library Staff Association, commonly known as MESA. The Marriott Library staff participated in various activities, officer elections, and gatherings.

The Marriott Employees Staff Association records (1983-2003) consist of materials generated by members of this Marriott Library group, otherwise known as MESA. The records include governing documents (such as by-laws), administrative correspondence, membership information, staff surveys, event planning and announcements, financial records, newsletters and literary magazines, meeting minutes, and miscellaneous items.