found: Library of Congress Manuscript Division for the Papers of Clara Barton, 1805-1958 (Martha Elvira Stone; correspondent)
found: LC data base, Apr. 19, 2004 (hdg.: Stone, Elvira; usage: Elvira, "Vira" Stone, daughter of Lt. Joseph Stone; photo ca. 1865)
found: Clara Barton in Washington, D.C. on WWW, Apr. 19, 2004 (from Clara Barton's diary, April 1, 1866: Martha Elvira Stone; her cousin Elvira Stone)
found: NPS, Fredericksburg and Spotsylvania National Military Park, Clara Barton at Chatham on WWW, Apr. 19, 2004 (Clara Barton's cousin Elvira Stone; Vira)
found: Pryor, E.B. Clara Barton, 1987: index (Stone, Elvira ("Vira") (cousin))
found: BGMI online, May 3, 2004 (Stone, Marth Elvira; b. 1816)
Stone, Elvira
