Among the items of the Boston Public Library's "Cool and Collected" exhibition that you can see online at Flickr:
• Scrapbook of Houdini memorabilia: see pages here, here, here, and here
• 1895 ad for Houghton Mifflin
• 1916 season pass, Boston Red Sox
About the image: Houdini poster, ca. 1909. Library of Congress, Prints and Photographs Division.