Hudson, H.E. "Catalogue of Theodore Parker Papers Deposited with the American Unitarian Association," October 30, 1958. The catalogue should be used in connection with this register., October 30, 1958.

Special Collections at Andover-Harvard Theological Library preserves and makes accessible primary source materials documenting the history of religion and theology, with particular historical emphasis on American liberal religious traditions. Though the historical strengths of the collections have been in the field of Christianity, other religious traditions are increasingly reflected, in step with Harvard Divinity School's evolving focus on global religious studies.