Postma, Antoon
Treasure of a minority
Arnoldus Press, 1972
 Buku Teks
Dozier, Edward P.
Kalinga of Northen Luzon, Philippines / by Edward P. Dozier
Holt, Rinehart and Winston, 1967
 Buku Teks
Lopez-de-Silanes, Florencio
The politics of legal reform / Florencio Lopez-de-Silanes
United Nations , 2002
 Buku Teks
Fiscal decentralization in latin America / edited by Ricardo Lopez Murphy
The John Hopkins University Press, 1995
 Buku Teks
Surat buat tuhan : cerita pendek vol. II / Gregoria Lopez Y....[et al.]; Editor: Yanusa Nugroho
Mitra Utama, 1990
 Buku Teks