This is an amazing archive put together by the American Library of Congress. Over 900 posters from the depression. This is an amazing resource for any type of historic type research relevant to the 1920s-1940s. Check it out!
Moscow British Higher School of Art and Design students’ course work - Typography research / Masha Minina, Dasha Bazan, Andrey Vasiliev, Sema Kirilin.