This subseries contains correspondence, scheduling materials and meeting notes for Mikulski and her staff, travel records, political planning materials, and administrative files associated with Mikulski's office operations in Washington, DC and state offices. Examples of material that may be found in this subseries include staff manuals, "NAV" folders prepared to brief Mikulski for events and meetings, staff memos, form letters, and constituent correspondence.

This subseries contains audiovisual media in a variety of formats on a variety of topics from across Mikulski's career. The bulk of materials are recordings of speeches, interviews, and campaign ads.

This subseries contains legislative materials related to committee work, drafts of bills, and floor activity.

This subseries contains legislative materials related to committee work, drafts of bills, and floor activity.

This subseries contains legislative materials related to committee work, drafts of bills, and floor activity.

This subseries contains correspondence, scheduling materials and meeting notes for Mikulski and her staff, travel records, political planning materials, and administrative files associated with Mikulski's office operations in Washington, DC and state offices. Examples of material that may be found in this subseries include staff manuals, "NAV" folders prepared to brief Mikulski for events and meetings, staff memos, form letters, and constituent correspondence.

This subseries contains legislative materials related to committee work, drafts of bills, and floor activity.