1. Scobie S. Measuring mortality during covid-19: a Q&A. Nuffield Trust, 2021. https://www.nuffieldtrust.org.uk/news-item/measuring-mortality-during-covid-19-a-q-a
2. Our World in Data. Coronavirus pandemic (COVID-19)—the data. 2021 https://ourworldindata.org/coronavirus-data#increase-of-deaths
3. ONS. Deaths registered weekly in England and Wales, provisional: week ending 12 March 2021. https://www.ons.gov.uk/peoplepopulationandcommunity/birthsdeathsandmarriages/deaths/bulletins/deathsregisteredweeklyinenglandandwalesprovisional/weekending12march2021
4. ONS. Annual deaths and mortality rates, 1838 to 2020 (provisional). 2021 https://www.ons.gov.uk/peoplepopulationandcommunity/birthsdeathsandmarriages/deaths/adhocs/12735annualdeathsandmortalityrates1938to2020provisional
5. United Kingdom casualties of war. Wikipedia 2021. https://en.wikipedia.org/wiki/United_Kingdom_casualties_of_war