Henry is a professor of American history. He is especially interested in the personalities of the presidents, their lives outside the walls of the White House. The teacher generously shares his research with students and involves them in research. Recently he learned that in a small town in the east of America in the old house there were random letters signed by a pseudonym used by one of the presidents. It happened during the Second World War. Henry is going to go and examine the house in detail to make sure that everything is found. Help the scientist look around and do not miss anything. Find and collect items in The President's Letters, which the professor noted, they can relate to the time of writing letters.