The World War I Collection: Posters has been created by the Hoover Institution at Stanford University. This digital collection contains 12,300 posters published in the United States, the United Kingdom, Germany, Poland and Russia, Italy, Austria, Canada and Hungary, to mention here only the countries with more than 100 posters in this collection. The size and variety of this collection is extraordinary. There are several filters to make a selection (e.g. country of origin, language, creator) and you can set the time period. For 1914-1918 there are some 10,600 items. The results can be viewed in a list or in a grid. It is possible to create a user account, to save your search questions and create your own collections. This collections can only be viewed with an English interface.