 We are standing in his library right now, which is now located in the Library of Congress, but it was originally from his Washington, D.C. home. It contains 12,000 books. He had another library at his home in Massachusetts, but this is the largest of the two. Aldwenda Holmes was possibly one of the most famous jurists on the Supreme Court in the 20th century. He served from 1902 to 1932, and he wrote the book The Common Law on display here.