The good news is that the Library of Congress is working to make its digitized resources accessible and useful to all teachers, no matter what classroom technology they have available. And with millions of digitized items, it is important to select primary sources that are high quality.
If I say "monument to Abraham Lincoln," what comes to mind? You might think first of the famous Lincoln Memorial, which has a prominent place on the National Mall in Washington and is featured on the back of the five dollar bill. But there are many other statues that pay tribute to the sixteenth president of the United States, each in their own way.