It's Preservation Week, and the Library's Preservation Research and Testing Division has helped set national standards in cultural heritage institutions for half a century. Among other highlights, they've helped save "Captain America" comics and discovered Thomas Jefferson's edits in the Declaration of Independence.
The Library of Congress now has the world's only known complete collection of "Negro Romance," the only black romance comic printed in America's Golden Age of Comics.
Megan Halsband, a reference librarian in the Serial and Government Publications Division, walks us through some of the best superhero teams in comic book history.