Ida Higginson
Sources
found: Howe, M. A. De Wolfe. Mrs. H.L. Higginson, 1935: broadside (wife of Henry Lee Higginson; daughter of Louis and Elizabeth Cary Agassiz; noted gardener; Mr. and Mrs. Higginson were great benefactors of the Boston Symphony Orchestra; died at 97; buried in Mount Auburn Cemetery, Cambridge, Massachusetts)
found: Boston globe, May 8, 1935: page 17 (Mrs. Ida Higginson funeral tomorrow; died at her residence at 191 Commonwealth Avenue, Boston, Massachusetts; born in Neuchatel, Switzerland; spent early life in Cambridge, Massachusetts; Married Major Henry Lee Higginson on December 5, 1863; summer home in West Manchester, Massachusetts)
found: Familysearch, via WWW, accessed January 6, 2015 (Ida A. Higginson; born: 1837; birthplace: Germany)
found: OCLC, accessed January 6, 2015 (access points: Higginson, Ida Agassiz; Higginson, Ida Agassiz, 1837-1935; usage: Ida Agassiz Higginson)