Mabel Daniels: an American Composer in Transition, by Maryann McCabe, London and New York, Routledge, 2018, xv, 300 pp., $160 (hardback), ISBN 9781472424518. Augusta Browne: Composer and Woman of Letters in Nineteenth-Century America, by Bonny H. Miller, Rochester, University of Rochester Press, 2020, xv, 457 pp. $125 (hardback), ISBN 9781580469722.