Calgary Herald (English Wikipedia)

Ward, Tom (1975). Cowtown: an album of early Calgary. Calgary: City of Calgary Electric System, McClelland and Stewart West. p. 120. ISBN 0-7712-1012-4. Archived from the original on 3 January 2020. Retrieved 3 October 2014.

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The Canadian Press (14 July 2010). "Postmedia Network acquires Canwest's newspaper division". ctv.ca. Toronto: CTVglobemedia. Archived from the original on 15 January 2013. Retrieved 17 December 2011.

Brian Brennan (10 June 2013). "J. Patrick O'Callaghan: Maverick publisher". Archived from the original on 30 October 2015. Retrieved 29 August 2015.

Bob Bergen (May 2002). Exposing the Boss: A Study in Canadian Journalism Ethics (PDF). Sheldon Chumir Foundation for Ethics in Leadership. p. 117. Retrieved 29 August 2015.
Bob Bergen (May 2002). "A Case Study in Journalism Ethics: The Calgary Herald" (PDF). Exposing the Boss: A Study in Canadian Journalism Ethics. Sheldon Chumir Foundation for Ethics in Leadership. Retrieved 29 August 2015.

The Canadian Press (14 July 2010). "Postmedia Network acquires Canwest's newspaper division". ctv.ca. Toronto: CTVglobemedia. Archived from the original on 15 January 2013. Retrieved 17 December 2011.

"Frank Swanson dies, publisher was 72", AP, Calgary, p. 6, 9 March 1990, retrieved 29 August 2015

"2015 Daily Newspaper Circulation Spreadsheet (Excel)". News Media Canada. Retrieved 16 December 2017. Numbers are based on the total circulation (print plus digital editions).
"Daily Newspaper Circulation Data". News Media Canada. Retrieved 16 December 2017.
"Daily Newspaper Circulation Data". News Media Canada. Retrieved 16 December 2017. Figures refer to the total circulation (print and digital combined) which includes paid and unpaid copies.

McNish, Acquie; Krashinsky, Susan (29 September 2011). "The glitch in Postmedia's digital switch". The Globe and Mail. Retrieved 17 December 2011.
Simon Houpt (30 April 2013). "Postmedia drops publishers". The Globe and Mail. Retrieved 29 August 2015.

Paikin, Steve (5 October 2009). "Three Questions with Bruce Dowbiggin". tvo.org. Retrieved 4 March 2019.

Kovacaj, Fiona. "Boycott Movements". University of Toronto Exhibits. Retrieved 6 July 2023.

Ward, Tom (1975). Cowtown: an album of early Calgary. Calgary: City of Calgary Electric System, McClelland and Stewart West. p. 120. ISBN 0-7712-1012-4. Archived from the original on 3 January 2020. Retrieved 3 October 2014.
Brian Brennan (10 June 2013). "J. Patrick O'Callaghan: Maverick publisher". Archived from the original on 30 October 2015. Retrieved 29 August 2015.
"Lorne Motley named Herald editor-in-chief: The Calgary Herald appointed a new editor-in-chief Monday, naming deputy editor Lorne Motley to the newsroom's top post", Calgary Herald, 3 October 2006, archived from the original on 23 September 2015