Robinson, O.F.
The Sources of roman law: problems and methods for ancient historians / O.F. Robinson
Routledge, 1997
 Buku Teks
Wiggins, Gary, 1943-
Chemical information sources
McGraw-Hill, 1991
 Buku Teks
Information sources in patents
edited by C.P. Ager
Bowker-Saur, 1992
 Buku Referensi
Information sources in the medical sciences
editors, L.T. Morton, S. Godbolt
Butterworth, 1984
 Buku Referensi
Ching-Chih, Chen
Scientific and technical information sources
MIT Press, 1977
 Buku Teks