Book: Swan, Susan Burrows. 1977 Plain & Fancy: American Women and Their Needlework, 1700-1850.
• Published: p. 182, 183, fig. 103Article: Morgan, John Hill. 03/00/1930 Memento Mori: Mourning Rings, Memorial Miniatures, and Hair Devices. Antiques. 226-230.
• Similar ring: fig. 1, p. 226