Columbia subject headings:
Ali Haydar Efendi, Ahıskalı, 1870-1960.
Naqshabandīyah members--Turkey--Biography.
Harvard subject headings:
Ali Haydar Efendi, Ahıskalı, 1870-1960.
Naqshabandīyah--Turkey.
Princeton subject headings:
Ahıska'lı Ali Haydar, 1870-1960.
Naqshabandīyah--Turkey.