Porter, J. G. V. (1844). Ireland: The Union of 1801, 41 Geo. III., cap. 47, (all on one side), does and always will draw away from Ireland her men of skill, ... A federal (the only fair) union between Great Britain and Ireland inevitable, ... Lord John Russell and the Whigs, better conservatives than Sir Robert Peel and the Tories (Fifth edition.). Ridgway; Fisher, Son, & Co.; Keene, College-Green, Dublin.

Porter, John Grey V. Ireland: The Union of 1801, 41 Geo. III., Cap. 47, (all on One Side), Does and Always Will Draw Away from Ireland Her Men of Skill, ... A Federal (the Only Fair) Union Between Great Britain and Ireland Inevitable, ... Lord John Russell and the Whigs, Better Conservatives than Sir Robert Peel and the Tories. Fifth edition. Ridgway; Fisher, Son, & Co.; Keene, College-Green, Dublin, 1844.