Custodian helmet (English Wikipedia)

"Mary Poppins (1964)". BFI. Archived from the original on March 8, 2016. Retrieved 12 April 2023.
"Sherlock Holmes (2009)". BFI. Archived from the original on May 31, 2017. Retrieved 12 April 2023.

british-police-history.uk

"Devon Constabulary (1856 - 1966)". british-police-history.uk. Retrieved 10 October 2021.

btp.police.uk

"Freedom of Information request 01/FOI/22/967 - Officer Headwear" (PDF). British Transport Police. Retrieved 2 June 2022.

bucksfreepress.co.uk

"Police helmets to make a return to Bucks this year". Bucks Free Press. Retrieved 11 April 2023.

comedy.co.uk

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constabulary.com

Marriott, Steve (1988). "Bobby Helmet FAQ: British Police Helmets". PICA Magazine. Archived from the original on 2010-04-16. Retrieved 27 December 2016 – via The Constabulary.
"Archived copy". Archived from the original on 1999-11-10. Retrieved 2010-12-13.{{cite web}}: CS1 maint: archived copy as title (link)
"Archived copy". Archived from the original on 2000-10-14. Retrieved 2010-12-13.{{cite web}}: CS1 maint: archived copy as title (link)
"Archived copy". Archived from the original on 2005-12-28. Retrieved 2010-12-13.{{cite web}}: CS1 maint: archived copy as title (link)
"Archived copy". Archived from the original on 2000-06-05. Retrieved 2010-12-13.{{cite web}}: CS1 maint: archived copy as title (link)

empireonline.com

"Hot Fuzz Review". Empire. Retrieved 13 April 2023.

essex.police.uk

"C3022 Procedure - Standards of Appearance". Essex Police. Retrieved 13 January 2022.

gettyimages.co.uk

"A policeman carrying a consignment of straw helmets at Luton Police..." Getty Images. Retrieved 10 October 2021.

ghostarchive.org

Den Haag (1930) (film). Nederlands Instituut voor Beeld en Geluid. 1930. Archived from the original on 2021-12-21. Retrieved 2010-10-03.

gwra.co.uk

"British Transport Police Inspectors Helmet, Marked - Misc".

hatguide.co.uk

"Custodian Helmet – Policeman's Helmet for Bobbies". Hatguide.co.uk. Retrieved 12 April 2023. The Custodian Helmet is worn by policemen in England and Wales as the traditional headgear of the 'Bobby on the beat', worn by constables and sergeants on foot patrol.

heraldsun.com.au

Landy, Samantha (2013-06-14). "From military-style to navy blue threads: the evolution of the Victoria Police uniform". Herald Sun. Retrieved 2021-06-23.

historymuseum.ca

"Civilization.ca - Hold onto Your Hats! - Authority and Status".

iomtoday.co.im

"Isle of Man police to start wearing new uniform". iomtoday.co.im. 28 April 2008. Archived from the original on 4 March 2016. Retrieved 5 July 2012.

jersey.police.uk

"Return of an old favourite". States of Jersey Police. 4 July 2012. Retrieved 5 July 2012.

leics.police.uk

"Bringing back the helmet for the Crown". Leicestershire Police. Retrieved 2 June 2022.

localworld.co.uk

legacymedia.localworld.co.uk

"3292878.png". Archived from the original on 2017-09-02. Retrieved 2017-09-02.

odmp.org

John L. Briscoe (ODMP) Reviewed May 19, 2014.

publico.pt

Abel Coentrão. "Polícias sinaleiros vão voltar ao Porto a partir de segunda-feira". PÚBLICO.

staffordshire.police.uk

"FOI 13500: Level 3 PSU Equipment Policy" (PDF). Staffordshire Police. Retrieved 14 October 2021.

telegraph.co.uk

Watson, Leon (11 November 2016). "Police force considers bringing back iconic hat to help short officers stand out from the crowd". The Telegraph. The Daily Telegraph.
Harley, Nicola (2017-05-10). "Police swap helmets for caps to attract more transgender officers". The Telegraph.
"Monty Python's 10 funniest sketches". The Telegraph. Retrieved 13 April 2023.

theguardian.com

Beckett, Andy (12 July 2002). "Spot the difference". The Guardian. London. Retrieved 4 July 2024.

van-grinsven.nl

van Grinsven, Michel. "Politiehelmen". Pictures from a private collection. Archived from the original on July 24, 2011. Retrieved October 3, 2010.

web.archive.org

Marriott, Steve (1988). "Bobby Helmet FAQ: British Police Helmets". PICA Magazine. Archived from the original on 2010-04-16. Retrieved 27 December 2016 – via The Constabulary.
"3292878.png". Archived from the original on 2017-09-02. Retrieved 2017-09-02.
"Isle of Man police to start wearing new uniform". iomtoday.co.im. 28 April 2008. Archived from the original on 4 March 2016. Retrieved 5 July 2012.
"Archived copy". Archived from the original on 1999-11-10. Retrieved 2010-12-13.{{cite web}}: CS1 maint: archived copy as title (link)
"Archived copy". Archived from the original on 2000-10-14. Retrieved 2010-12-13.{{cite web}}: CS1 maint: archived copy as title (link)
"Archived copy". Archived from the original on 2005-12-28. Retrieved 2010-12-13.{{cite web}}: CS1 maint: archived copy as title (link)
"Archived copy". Archived from the original on 2000-06-05. Retrieved 2010-12-13.{{cite web}}: CS1 maint: archived copy as title (link)
"Mary Poppins (1964)". BFI. Archived from the original on March 8, 2016. Retrieved 12 April 2023.
"Sherlock Holmes (2009)". BFI. Archived from the original on May 31, 2017. Retrieved 12 April 2023.
van Grinsven, Michel. "Politiehelmen". Pictures from a private collection. Archived from the original on July 24, 2011. Retrieved October 3, 2010.

youtube.com

"British Police Helmets". How It's Made. 2009-02-25. Discovery Channel.
Den Haag (1930) (film). Nederlands Instituut voor Beeld en Geluid. 1930. Archived from the original on 2021-12-21. Retrieved 2010-10-03.

m.youtube.com

"Paddington: Our Unsung Hero: Amazing Adventures". Paddington. Youtube. Retrieved 15 April 2023.