Works

• Penny Cyclopaedia, editor
• Knight's Political Dictionary, editor
• Dictionary of Greek and Roman Biography and Mythology: Articles signed as [G. L.]
• A Dictionary of Greek and Roman Antiquities, contributor

• ---

This author wrote articles for the Dictionary of Greek and Roman Geography
Articles written by this author are designated in the DGRG by the initials "G. L."

• Bibliotheca Classica
• Summary of Herodotus (1829)
• Herodotus (1830-1833)
• Journal of Education, editor (1831-1835)
• The British Museum: Egyptian Antiquities I (1832)
• An Old Man's Thoughts about Many Things (1862)
• revised editions of JA Macleane's works:
  • Juvenal and Persius (1867)
  • Horace (1869)
• Civil Wars of Rome
• Decline of the Roman Republic (1864-1874), 5 vols

Works about Long

• H. J. Matthews, In Memoriam, reprinted from the Brighton College Magazine, 1879.
• "Long, George (1800-1879)," in Dictionary of National Biography, 1885-1900, London: Smith, Elder, & Co. (1885–1900) in 63 vols.
• "Long, George," in Encyclopædia Britannica (11th ed., 1911)
• "Long, George," in A Short Biographical Dictionary of English Literature, by John William Cousin, London: J. M. Dent & Sons (1910)