Bailieborough A Plantation Market Town: History of the Irish town, including Lord Lisgar's involvement in its development.
John Young, 1st Baron Lisgar: Biographical article from Wikipedia.
Lord Lisgar: Governor General: Biography from the official site of the Governor General of Canada.
National Portrait Gallery: John Young, Baron Lisgar: Images and list of portraits held.
Sir John Young: Offers an engraving and biographical information.
Young, Sir John, Baron Lisgar: Article from the Dictionary of Canadian Biography Online.