Columbia subject headings:
Hadith--Authorities--Early works to 1800.
Hadith--Criticism, interpretation, etc.--Early works to 1800.
Hadith--Evidences, authority, etc.--Early works to 1800.
ʻUmar ibn al-Khaṭṭāb, Caliph, -644.
Harvard subject headings:
Hadith--Authorities--Early works to 1800
Hadith--Criticism, interpretation, etc.--Early works to 1800
Hadith--Evidences, authority, etc.--Early works to 1800.
ʻUmar ibn al-Khaṭṭāb, Caliph, -644
Princeton subject headings:
Hadith--Authorities--Early works to 1800.
Hadith--Criticism, interpretation, etc.--Early works to 1800.
Hadith--Evidences, authority, etc.--Early works to 1800.
ʻUmar ibn al-Khaṭṭāb, Caliph, -644.