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A rectangular bookplate is centered on the page, framed by an intricate decorative border featuring repeating stylized floral and geometric patterns. This plate serves as a mark of provenance, indicating the library collection to which the book belongs and the benefactor who provided it.
John Harvey Treat (1839–1908) was a graduate of Harvard and a devoted benefactor, particularly known for his contributions to the library's collections on catacombs and Christian archaeology.