Sears, Minnie Earl
Sears list of subject headings
H. W. Wilson Co, 1977
 Buku Teks
Libraries of Congress Subject headings
Washington: LCSH, 1994,
 Buku Referensi
Sears list of subject headings
edited by Barbara A. Bristow, Christi Showman Farrar
H.W. Wilson, a division of EBSCO Information Services ; Amenia, NY : Grey House Publishing, 2014
 Buku Referensi
Sears list of subject headings
edited by Joseph Miller
H.W. Wilson Company, 1997
 Buku Referensi
Sears list of subject headings
edited by Barbara M. Westby
H.W. Wilson, 1982
 Buku Referensi