Griffin and Minchin's The Life of Robert Browning.
Chesterton's Robert Browning. (E.M.L.)
Sharp's Life of Browning. (G.W.)
Symons's An Introduction to the Study of Browning.
Foster's The Message of Robert Browning.
Orr's A Handbook to the works of Robert Browning.
Alfred, Lord Tennyson, A Memoir, by his son.
Benson's Alfred Tennyson (the best brief work).
Lyall's Tennyson. (E.M.L.)
Brooke's Tennyson: His Art and Relation to Modern Life.