National Portrait GalleryThe Mad Bull (James Craig, 1st Viscount Craigavon; Michael Collins) cartoon, 15 February 1922
UCD History HubJohn Redmond’s Woodenbridge speech and the split in the Irish Volunteers podcast, c.2015
Warwick Digital CollectionsImage of Sackville Street after Rebellion in Dublin, April, 1916 booklet, April 1916
Decade of Centenaries timelineAnti-Home Rule postcard: Donegall Place, Belfast under Home Rule postcard, 1912
Down County MuseumAnti-Home Rule Postcard: Downpatrick and Assembly Hall under Home Rule postcard, 1912