This folder contains official correspondence both to and from the church in Medfield, largely constituting letters of invitation to ecclesiastical councils and the ordinations of new ministers.

This folder contains letters regarding dismissals, admonitions, and excommunication of Medfield church members.

This folder contains land deeds, wills, and a court summons. These include a deed from David Whitmarsh to Nathaniel Bosworth (5/15/1789), a fragmentary will and inventory by a member of the Baxter family (undated), and a court summons by Jonathan Bishop (Justice of the Peace for the Commonwealth of Mass.) to members of the First Congregational Society In Medfield (12/3/1842).

These documents relate directly to the office of the ministry and include correspondence of Rev. Joseph Baxter regarding dissatisfaction with his ministry, a letter of acceptance of the ministerial call from Rev. Thomas Prentice, and an undated sermon fragment.

This folder contains financial records relating to the church and its parishioners, including receipts by John Fisher for payment by John Baxter (10/28/1765), by Edward Davis for payment by John Baxtor (2/2/1753), and by Jonathan Fiske for payment by Heirs of John Baxter (1832). Also included are lists of subscribers for payments toward the spire of Unitarian Meetinghouse and toward the purchasing of an organ for First Congregational Meetinghouse in Medfield (undated).

This folder contains prayer requests likely dating to the 17th-18th centuries, with the names of parishioners making the request and a brief description of the desired prayer. They include prayers for safe passage, protection of relatives during military service, bolstering of personal faith, and sanctification of deaths occurring in the family.

This folder contains a single item of personal correspondence, from "N.B." to "Captain Turner" of the sloop Experiment. The writer details his provision of the ship with a barrel of sweet potatoes and provides instructions for cooking them.

This folder contains loose pages of meeting minutes for the church in Medfield, and correspondence with descriptions of meeting minutes and associated votes.

This folder contains printed materials, consisting of an order of service for the installation service of Rev. Solon Bush, and a 1970 newspaper clipping detailing the preservation of the church's relations of faith (1697-1788) by Rev. Robert A. Thayer.

This folder contains relations of faith by parishioners seeking to join the church in Medfield, with surnames beginning with A-G. The documents are organized alphabetically by last name.