Annual report of the librarian of congress 1990
Library of Congress; edited by James W. Mc. Chung
Library of Congress, 1991
 Buku Teks
Annual report 1986 of the Librarian of Congress
Library of Conggress , 1987
 Buku Teks
Annual report 1985 of the Librarian of Congress
Library of Congress , 1986
 Buku Teks
Annual report 1987 of the librarian of congress
Library of Conggress 1988, 1988
 Buku Teks
Annual report of the Librarian of Congress 1995
Library of Congress
Library of Congress , 1996
 Buku Teks
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