Amnesty international report 1982
Amnesty International Publication, 1982
 Buku Teks
Silva, M.A. de
Communication policies in Sri Lanka
UNESCO, 1977
 Buku Teks
Background Reading Material on the Intellectual Property System of Sri lanka / WIPO
WIPO Publication, 1991
 Buku Teks
Windianingrum
Kebijakan pelestarian koleksi buku-buku langka Perpustakaan Nasional Republik Indonesia: sebuah usulan
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2001
 UI - Skripsi Membership
Davy, John
An Account of the interior of Ceylon and of its inhabitants with travels in that island
Tisara Prakasakayo , 1821
 Buku Teks