Report of the Librarian of Congress.
Library of Congress.
Washington : G.P.O.,
1897-1904.
Title varies slightly.
Report for 1897 covers calendar year; report years for 1898-1904 end June 30.
Library of Congress
Annual report of the Librarian of Congress exhibiting the progress of the Library during the year ending December 1 ...
Report of the Librarian of Congress and Report of the Superintendent of the Library Building and Grounds for the fiscal year ending June 30 ...