Aug 24, 2018
Catalog of Copyright Entries, Third Series, Parts 7-11a, Number 1, Vol. 30: Works of Art, Reproductions of Works of Art, Scientific and Technical Drawings, Photographic Works, Prints and Pictorial Illustrations; January-June, 1976 (Classic Reprint)
May 28, 2018
Report of the Librarian of Congress, 55th Congress, 2D Session, Senate, Document No. 13; 3D Session, Document No. 24, Report of the Librarian of Congress, 1898, 1899, 1900