Tilton, G. P., & Bradley, W. (1898). The colonial book of the Towle Mfg. Co: Which is intended to delineate and describe some quaint and historic places in Newburyport and vicinity and show the origin and beauty of the colonial pattern of silverware. [Cambridge: Printed by W. Bradley.

Tilton, George P., and Will Bradley. The Colonial Book of the Towle Mfg. Co: Which Is Intended to Delineate and Describe Some Quaint and Historic Places in Newburyport and Vicinity and Show the Origin and Beauty of the Colonial Pattern of Silverware. [Cambridge: Printed by W. Bradley, 1898.

Tilton, George P., and Will Bradley. The Colonial Book of the Towle Mfg. Co: Which Is Intended to Delineate and Describe Some Quaint and Historic Places in Newburyport and Vicinity and Show the Origin and Beauty of the Colonial Pattern of Silverware. [Cambridge: Printed by W. Bradley, 1898.