Columbia subject headings:
Harvard subject headings:
Blondel, Maurice, 1861-1949
Catholic converts.
Christian converts from Islam.
Mulla-Zadé, Paul-Mehmet, 1881-1959.
Princeton subject headings:
Blondel, Maurice, 1861-1949.
Catholic converts.
Christian converts from Islam.
Mulla-Zadé, Paul-Mehmet, 1881-1959.