HM Prison Portland (English Wikipedia)

"Chronology of the Island of Portland 700–1905 AD". The Portland Year Book and Island Record. Portland Telegram Office. April 1905. Retrieved 10 March 2018 – via Rootsweb.

anphoblacht.com

MacThomáis, Shane (29 July 2015). "Jeremiah O'Donovan Rossa". An Phoblacht. Retrieved 10 March 2018.

"Background, Aims and Objectives". The Portland Gas Trust. Archived from the original on 15 April 2013. Retrieved 17 November 2012.
"John 'Babbacombe' Lee". h2g2. 5 November 2008. Archived from the original on 14 December 2014. Retrieved 6 June 2014.

Day, Michael (10 December 2012). "Portland, (St. Peter, The Grove)". Dorset Churches. Archived from the original on 18 August 2007. Retrieved 18 January 2013.

"Young offenders' unit condemned". BBC News. 21 March 2000. Retrieved 31 December 2008.
"Investigation into prison siege". BBC News. 4 May 2000. Retrieved 31 December 2008.
"Young inmates are 'slopping out'". BBC News. 30 November 2004. Retrieved 31 December 2008.
"Report slams young offenders unit". BBC News. 29 June 2007. Retrieved 31 December 2008.
"John 'Babbacombe' Lee". h2g2. 5 November 2008. Archived from the original on 14 December 2014. Retrieved 6 June 2014.

Brown, Roy 'Chubby' (2 August 2012). Common As Muck!: The Autobiography of Roy 'Chubby' Brown. Little, Brown Book Group. p. 62. ISBN 978-1-4055-2047-8. Retrieved 10 March 2018 – via Google Books.

Bolado, Catherine (28 November 2013). "Portland prison to become 'resettlement jail'". Dorset Echo. Retrieved 6 June 2014.
Goater, Dan (20 August 2010). "Portland's historic Governor's Garden to get £46,000 makeover". Dorset Echo. Retrieved 10 March 2018.
Stretton, Rachel (18 December 2013). "Prison service museum set to open on Portland". Dorset Echo. Retrieved 6 June 2014.
Tollast, Oscar (13 March 2014). "New prison museum officially opens". Dorset Echo. Retrieved 6 June 2014.
"Video: Opening of Grove Prison Museum". Dorset Echo. 9 March 2014. Retrieved 6 June 2014.
Cox, Tara (6 May 2015). "More than 1,000 people have visited a Portland prison museum since it opened its doors last year". Dorset Echo. Retrieved 10 March 2018.
Walton, Harry (21 June 2008). "Visitor centre for Island". Dorset Echo. Retrieved 17 November 2012.

Hopps, David (1 February 2012). "Mohammad Amir released from jail". ESPNcricinfo. Retrieved 1 February 2012.

"History". Portland Port & Harbour Authority. Archived from the original on 29 April 2014. Retrieved 6 June 2014.

West, Ian. "Isle of Portland Quarries - Geology". University of Southampton. Retrieved 10 March 2018.

"The case of the Parsi lawyer". The Telegraph. Kolkata. 8 March 2015. Archived from the original on 12 March 2015. Retrieved 10 March 2018.

Kenna, Shane (4 May 2012). "Thomas Clarke Treason Felony Convict J464". The Irish Story. Retrieved 10 March 2018.

"Background, Aims and Objectives". The Portland Gas Trust. Archived from the original on 15 April 2013. Retrieved 17 November 2012.

"John Daly the Fenian". Limerick and the 1916 Rising. 18 March 2016. Retrieved 10 March 2018.

"History". Portland Port & Harbour Authority. Archived from the original on 29 April 2014. Retrieved 6 June 2014.
Day, Michael (10 December 2012). "Portland, (St. Peter, The Grove)". Dorset Churches. Archived from the original on 18 August 2007. Retrieved 18 January 2013.
"The case of the Parsi lawyer". The Telegraph. Kolkata. 8 March 2015. Archived from the original on 12 March 2015. Retrieved 10 March 2018.