Contains letters, notes, newspaper clippings, publications, and other material related to Porter's service in the Relief Society in Delaware and Pennsylvania. Materials date from between 1922 to 1971, with a single item from 2005.

This collection contains one photograph of early members of The Church of Jesus Christ of Latter-day Saints in the Pittsburgh, Pennsylvania Eastern States Mission. The names of the members are listed on the back of the photograph.

Includes meeting minutes, record of members, and names of children blessed. Minutes reflect activities of Benjamin Winchester, Parley P. Pratt, Samuel Bennett, William Smith, George J. Adams, James J. Strang, and others. Reports of other Latter-day Saint congregations on the East Coast are also occasionally given.