. . "Seward, Mary C."@en . . . "1919Z"^^ . . . . . . . "Agnes Burney"@en . . "1919-09-01Z"^^ . . "1839Z"^^ . "American writer and musician" . "Mary Holden Coggeshall Seward (July 9, 1839 \u2013 circa September 1, 1919), commonly known as Mary C. Seward, was an American poet, composer, and prominent parliamentarian serving humanitarian and woman's club movements of the late nineteenth and early twentieth centuries. A number of her works were published under the pseudonym \"Agnes Burney\", including several developed in collaboration with her spouse, Theodore F. Seward, an internationally known composer and music educator in his day."@en . "1839-07-09Z"^^ . . "Mary Coggeshall Seward"@en . . . . "Mary Holden Coggeshall"@en . .