William Birdwood (English Wikipedia)

"Birdwood, William Riddell (Baron Birdwood) (1865–1951)". William Birdwood. Australian Dictionary of Biography. National Centre of Biography, Australian National University. Retrieved 27 May 2013.

awm.gov.au

Schmidt, Nicholas (14 February 2011). "For Valentine's Day – The airman who married the general's daughter". Australian War Memorial. Retrieved 4 January 2014.

british-history.ac.uk

"The colleges and halls – Peterhouse". British History Online. Retrieved 27 May 2013.

doi.org

James, Robert Rhodes (2009) [2004]. "Birdwood, William Riddell". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/31898. (Subscription or UK public library membership required.)
Brown, F. H.; Stearn, Roger T. (2012) [2004]. "Birdwood, Herbert Mills". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/31897. (Subscription or UK public library membership required.)

freeuk.com

eastkent.freeuk.com

"Captains of Deal Castle". East Kent freeuk. Retrieved 10 January 2017.

geraldtonrsl.org.au

"Geraldton City RSL Sub Branch". Geraldton City RSL Sub-Branch. Archived from the original on 24 March 2023. Retrieved 24 April 2023.

hathitrust.org

babel.hathitrust.org

Place-names of Alberta. Ottawa: Geographic Board of Canada. 1928. p. 20.

lachlanwetherall.com

Wetherall, Lachlan. "Birdwood Park | A bit of this, a bit of that". Retrieved 28 October 2020.

nla.gov.au

trove.nla.gov.au

"Australian Military Forces". Commonwealth of Australia Gazette. 14 January 1926. Retrieved 14 March 2019.
"Gallipoli Pilgrimage". The West Australian. 27 May 1936. Retrieved 15 November 2020.

nla.gov.au

"Our rural magazine". The West Australian (Perth, WA : 1879–1954). 18 October 1934. p. 14. Retrieved 27 May 2013.

oxforddnb.com

James, Robert Rhodes (2009) [2004]. "Birdwood, William Riddell". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/31898. (Subscription or UK public library membership required.)
Brown, F. H.; Stearn, Roger T. (2012) [2004]. "Birdwood, Herbert Mills". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/31897. (Subscription or UK public library membership required.)

rslwa.org.au

"Personalities" (PDF). The Listening Post. 15 June 1936. p. 12. Retrieved 15 November 2020.

slsa.sa.gov.au

manning.collections.slsa.sa.gov.au

"Place Names of South Australia – B | Blumberg". www.slsa.sa.gov.au. State Library of South Australia. Archived from the original on 2 October 2020.

stateheritage.wa.gov.au

inherit.stateheritage.wa.gov.au

"WA State Heritage Register - supporting document".
"State Heritage Office - Birdwood House, Geraldton". Retrieved 24 April 2023.

telegraph.co.uk

"The Dowager Lady Birdwood". The Telegraph. 29 June 2000. Retrieved 4 January 2014.

thegazette.co.uk

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"No. 34453". The London Gazette (Supplement). 10 November 1937. p. 7081.
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"No. 13881". The Edinburgh Gazette. 5 January 1923. p. 18.
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"No. 28095". The London Gazette (Supplement). 1 January 1908. p. 2.
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"No. 14351". The Edinburgh Gazette. 28 June 1927. p. 741.
"No. 31222". The London Gazette (Supplement). 11 March 1919. p. 3281.
"No. 13052". The Edinburgh Gazette. 16 February 1917. p. 367.
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victorianplaces.com.au

"Birdwoodton and Cabarita". www.victorianplaces.com.au. Monash University and the University of Queensland. 2015. Archived from the original on 28 October 2020.

web.archive.org

"Place Names of South Australia – B | Blumberg". www.slsa.sa.gov.au. State Library of South Australia. Archived from the original on 2 October 2020.
"Birdwoodton and Cabarita". www.victorianplaces.com.au. Monash University and the University of Queensland. 2015. Archived from the original on 28 October 2020.
"Geraldton City RSL Sub Branch". Geraldton City RSL Sub-Branch. Archived from the original on 24 March 2023. Retrieved 24 April 2023.