Directory of Higher Education Courses 1980
Australian.Department of Education
Australian Government Publishing Service, 1979
 Buku Referensi
Harsja W. Bachtiar, 1934-
Directory of social scientists in Indonesia
Indonesian Institute of Sciences, 1976
 Buku Referensi
Directory of scientific institutions in Indonesia
Madjelis Ilmu Pengetahuan Indonesia
Madjelis Ilmu Pengetahuan Indonesia, 1959
 Buku Referensi
Pharmaceutical DIrectory of Indonesia
KAT International Marketing Service, 1972
 Buku Referensi
Legal directory of Indonesia
CYBER Consultan, 1998
 Buku Referensi