The digital collection World War I Posters was created by Elisabeth Ball and is now kept at Ball State University, Muncie, Ind., as a part of the Elisabeth Ball Collection. The collection contains some 2,100 posters from all belligerent countries. 1,600 items have been digitized. They can be browsed in their entirety. The browsing results can be narrowed by artist, date and LC Subject Headings. You can enter simple searches or use the advanced search mode.