Key Digital Collections of Primary Sources, Focused on Local or City History in England, Wales, and Scotland: 

• National Library of Scotland Digital Gallery, primary sources from Scottish history, including imperial history and the history of war. Browse by theme. https://digital.nls.uk/gallery/

• National Library of Wales website, which includes some digital resources including newspapers https://www.llyfrgell.cymru/index.php?id=13592

• Manchester (in N England) Local Image Collection https://images.manchester.gov.uk/index.php?session=pass

• The London Picture Archive, via London Metropolitan Archives and Guildhall Library. For historic images of London. https://www.londonpicturearchive.org.uk/home?WINID=1661199472809

• Charles Booth’s London, website with interactive poverty maps that document London neighborhoods in the 19th century and 450 digitized police notebooks from 1886-1903 https://booth.lse.ac.uk/

• East Midlands Oral History project, almost 500 interviews done in the 1980s about life in Leicestershire from about 1900 on. Many interviews touch on WWII especially, but other topics are covered https://specialcollections.le.ac.uk/digital/collection/p15407coll1

• Museum of London Digital Collections https://www.museumoflondon.org.uk/collections