Son of Lewis Hertslet and librarian of the Foreign Office. Joint, then sole, editor of the Foreign Office List (1855–1902). Works: Vols. 12–16 and (with eldest son, Sir Cecil Hertslet) 17–19 of Hertslet's Commercial Treaties (1871–1895); The Map of Europe by Treaty (Vols. 1–3 1875, Vol. 4 1896); The Map of Africa by Treaty (2 vols., 1894).
From Encyclopaedic Dictionary of International Law in Oxford Reference.
Subjects: International Law.