Nyadran

Every source carries its tier. Tier 1 is material originating from the community itself; tier 6 is a tertiary source recorded only as a marker of a circulating claim and never as the basis of a statement.

1. 1 T2 Tier 2 — Peer-reviewed scholarshipMonograph Ricklefs, M. C. Mystic Synthesis in Java: A History of Islamization from the Fourteenth to the Early Nineteenth Centuries. Norwalk: EastBridge, 2006.
2. 2 T2 Tier 2 — Peer-reviewed scholarshipMonograph Beatty, Andrew. Varieties of Javanese Religion: An Anthropological Account. Cambridge: Cambridge University Press, 1999.
3. 3 T2 Tier 2 — Peer-reviewed scholarshipMonograph Errington, J. Joseph. Structure and Style in Javanese: A Semiotic View of Linguistic Etiquette. Philadelphia: University of Pennsylvania Press, 1988.
4. 4 T1 Tier 1 — Primary, community-originatedManuscript Serat Centhini (Suluk Tambangraras), naskah Keraton Surakarta, disusun atas perintah Pakubuwana V, ±1814. Sasana Pustaka, Keraton Kasunanan Surakarta.