Islam and rationality: the impact of al-Ghazali: papers collected on his 900th anniversary. Vol 2
edited by Frank Griffel
Brill, 2016
 eBooks
Dictionary of mysticism
edited by, Frank Gaynor
Philosophical Library, 1953
 Buku Referensi
Glenn Allen
Perubahan, Keberlanjutan Serta Ketidakberlanjutan Kosmologi atas Relasi Manusia dan Alam di Minahasa = Change, continuity and discontinuity of cosmology in relation to human and nature in Minahasa
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2021
 UI - Tesis Membership
Collins, John Edward
Mysticism and new paradigm psychology
Rowman & Littlefield, 1991
 Buku Teks
Al-Attas, Syed Muhammad Naguib
Mysticism of Hamzah Fansuri
Kuala Lumpur : University of Malay Press, 1970.
 Buku Teks