The passage of time heals many wounds. On September 16, 1927, the Bismarck Tribune published an editorial that pragmatically and eloquently speaks to this matter in regards to books. The article says:
Today, over 100 years later, all of the books that were called into question during the 1919 incident are available to the public online. These books have been digitized and uploaded by reputable and prestigious institutions, for reasons such as the preservation of history, understanding and discussion, and research and education. The books are hosted within online repositories from the Library of Congress, Internet Archive, and HathiTrust.