Columbia subject headings:
Hadith.
Ijmāʻ (Islamic law)
Ikhtilāf (Islamic law)
Islamic law--Sources.
Prayer--Islam.
Sunna.
Harvard subject headings:
Hadith
Ijmāʻ (Islamic law)
Ikhtilāf (Islamic law)
Islamic law--Sources
Prayer--Islam
Sunna
Princeton subject headings:
Islam--Customs and practices.
Prayer--Islam.