Speech by Seamus BrennanThe Circus and the Travelling Fair in the Work of Jack B. Yeats at the National Gallery of Ireland. 17.7.2007. Depertment of Arts, Heritage and the Gaeltacht. Arkistoitu 7.6.2011. Viitattu 22.2.2020. (englanniksi)
artuk.org
Jack Butler YeatsArtists. Art UK/Public Catalogue Foundation. Viitattu 22.2.2020. (englanniksi)
Jack Butler YeatsIrish Museum of Modern Arts (IMMA). Ireland’s National Cultural Institution for Modern and Contemporary Art. Viitattu 22.2.2020. (englanniksi)
OLYMPIC GAMES ART COMPETITION MEDALLISTS (Sivut 15–19) Art competitions at the Olympic Games. 2.5.2019. The Olympic Studies Centre/ Olympic Foundation for Culture and Heritage. Viitattu 22.2.2020. (englanniksi)
Speech by Seamus BrennanThe Circus and the Travelling Fair in the Work of Jack B. Yeats at the National Gallery of Ireland. 17.7.2007. Depertment of Arts, Heritage and the Gaeltacht. Arkistoitu 7.6.2011. Viitattu 22.2.2020. (englanniksi)