The following books and authors should be remembered this year for having reached a significant milestone:

• the quartercentenary of the birth of the English poet John Milton (1608-1674)
• the semiquincentennial of the publication of the Swiss jurist Emer de Vattel's The Law of Nations (1758)
• the bicentennial of the birth of the American legal scholar and abolitionist Lysander Spooner (1808-1887) (works to come soon)
• the bicentennial of the publication of James Mill's Commerce Defended (1808) and Thomas Clarkson's History of the Abolition of the Slave Trade (1808)
• the sesquicentenial of the deaths of the English women writers Harriet Taylor (1807-1858) and Jane Marcet (1769-1858)
• the sesquicentenial of the birth of the English journalist J.A. Hobson (1858-1940)
• the centennial of the birth of the philosopher H.B. Acton (1908-1974)