Columbia subject headings:
Naqshabandīyah--Turkey.
Seydişehirli Hacı Abdullah Efendi, 1807-1903.
Sufis--Turkey--Biography.
Sufism--Turkey--19th century.
Harvard subject headings:
Naqshabandīyah--Turkey.
Seydişehirli Hacı Abdullah Efendi, 1807-1903.
Sufis--Turkey--19th century--Biography.
Sufism--Turkey--History--19th century.
Princeton subject headings:
Naqshabandīyah--Turkey.
Seydişehirli Hacı Abdullah Efendi, 1807-1903.
Sufis--Turkey--19th century--Biography.
Sufism--Turkey--19th century.