Columbia subject headings:
Açıkbaş Mahmud Efendi, 1601-1661.
Naqshabandīyah--Turkey--Biography.
Naqshabandīyah.
Sufism--Turkey.
Harvard subject headings:
Açıkbaş Mahmud Efendi, 1601-1661.
Naqshabandīyah--Turkey--Biography.
Naqshabandīyah--Turkey.
Naqshabandīyah.
Sufism--Turkey
Princeton subject headings:
Açıkbaş Mahmud Efendi, 1601-1661.
Naqshabandīyah--Turkey.
Sufism--Turkey.