Columbia subject headings:
Gülen, Fethullah.
Islam--Doctrines.
Islamic ethics.
Islamic philosophy.
Moral education.
Harvard subject headings:
Gülen, Fethullah--Criticism and interpretation.
Islam--Doctrines
Islamic ethics
Islamic philosophy
Moral education
Princeton subject headings:
Gülen, Fethullah--Criticism and interpretation.
Islam--Doctrines.
Islamic ethics.
Islamic philosophy.
Moral education.