According to Caldarola, kepercayaan "is not an apt characterization of what the mystical groups have in common".[2] TheUS State Department's states:
Sizeable populations inJava,Kalimantan, andPapua practiceanimism and other types of traditional belief systems termed "Aliran Kepercayaan." Many of those who practice Kepercayaan describe it as more of ameditation-based spiritual path than areligion. Some animists combine their beliefs with one of the government-recognized religions.[4]
Koentjaraningrat, R. M. (1987). "Javanese Religion". InEliade, Mircea (ed.).The Encyclopedia of Religion. Vol. 7. New York: MacMillan. pp. 559–63.ISBN978-0-02-909480-8.
Maria, Siti; Limbeng, Julianus (2007).Marapu di Pulau Sumba, Provinsi Nusa Tenggara Timur(PDF). Seri pengungkapan nilai-nilai kepercayaan komunitas adat. Jakarta: Departemen Kebudayaan dan Pariwisata; Direktorat Jenderal Nilai Budaya, Seni dan Film; Direktorat Kepercayaan Terhadap Tuhan Yang Maha Esa.
Matthes, Benjamin F. (1872).Over de bissoe's of heidensche priesters en priesteessen der Boeginezen [On the Bissu, Buginese Pagan Priests] (in Dutch). Amsterdam.{{cite book}}: CS1 maint: location missing publisher (link)
Metcalf, Peter (1987). "Bornean Religion". InEliade, Mircea (ed.).The Encyclopedia of Religion. Vol. 2. New York: MacMillan. pp. 290–92.ISBN978-0-02-909480-8.
——— (1986).The Sa'dan-Toraja: A study of their social life and religion. II: Rituals of the East and West. Leiden; Boston: BRILL.ISBN978-90-67-65207-0.
——— (1987). "Toraja Religion". InEliade, Mircea (ed.).The Encyclopedia of Religion. Vol. 14. New York: MacMillan. pp. 565–67.ISBN978-0-02-909480-8.
Pelras, Christian (1987). "Bugis Religion". InEliade, Mircea (ed.).The Encyclopedia of Religion. Vol. 2. New York: MacMillan. pp. 560–61.ISBN978-0-02-909480-8.
Schärer, Hans (1963) [1946].Ngaju Religion: The Conception of God among a South Borneo People. The Hague: Martinus Nijhoff.ISBN978-90-04-24799-4.{{cite book}}:ISBN / Date incompatibility (help)
Schefold, Reimar (1980).Spielzeug für die Seelen — Kunst und Kultur der Mentawai-Inseln (Indonesien) [Toys for the Souls: Art and Culture of the Mentawai (Indonesia)] (in German). Zürich:Museum Rietberg.
——— (1988). "De wildernis als cultuur van gene ziijde: tribale concepten van "natuur" in Indonesiο" [The wilderness as a culture of the past: tribal concepts of "nature" in Indonesia].Antropologische Verkenningen (in Dutch).7 (4):5–22.
Volkman, Toby Alice (1985).Feasts of Honor: Ritual and Change in the Toraja Highlands. Urbana: University of Illinois Press.
Weinstock, Joseph (1983).Kaharingan and the Luangan Dayaks: Religion and Identity in Central East Borneo. Thesis (Ph.D.) Cornell University.
Winzeler, Robert L., ed. (1993).The Seen and the Unseen: Shamanism, Mediumship and Possession in Borneo. Williamsburg, Va.: Borneo Research Council.ISBN978-0-9629568-1-2.