BoardGameGeek is an online forum for board gaming hobbyists and a game database that holds reviews, images and videos for over 125,600 different games at www.boardgamegeek.com
The British Museum has one of the largest collection of objects in the world which includes a number of games from the war at https://www.britishmuseum.org/collection
The Games Board is a group of game historians. Launched in 2007, their website includes a research database with more than 3000 games at www.gamesboard.org.uk
Imperial War Museums have over one million items that tell the story of modern war and conflict including many games that can be searched at www.iwm.org.uk/collections
Mullock Jones Specialist Auctioneers & Valuers provides a custom search tool to search previous auctions at www.mullocksauctions.co.uk
The Victoria and Albert Museum is the world’s leading museum of art and design, its collection includes many games from the war at https://www.vam.ac.uk/collections
Western Approaches HQ Museum – The Battle of the Atlantic Experience includes the work of the Western Approaches Tactical Unit and their real-life war games at https://liverpoolwarmuseum.co.uk/
Wiener Holocaust Library is one of the world’s leading and most extensive archives on the Holocaust, the Nazi era and genocide. The Library’s unique collection of over one million items can be searched at https://wienerholocaustlibrary.org/
Wikipedia, the free encyclopedia, is a comprehensive source of facts and figures on the war at https://en.wikipedia.org/wiki/World_War_II