 It is one of the best-known of Irish Republican songs and often played by the piper at Republican funerals.Ingram was one of the writers selected to write "scholars" entries for the ninth edition, the tenth edition and the eleventh editions of the "Encyclopædia Britannica".He wrote the entries in the "Encyclopædia Britannica" on Pierre Leroux, Cliffe Leslie, John Ramsay McCulloch, Georg Ludwig von Maurer, William Petty, Francois Quesnay, and Karl Heinrich Rau.