2 U.S. Code § 174
2 U.S. Code § 131 is about Function of Center for the Book. It is under Chapter 5 (Library of Congress) of Title 2 (The Congress) of the Code.
The Librarian through the Center shall stimulate public interest and research in the role of the book in the diffusion of knowledge through such activities as a visiting scholar program accompanied by lectures, exhibits, publications, and any other related activities.