Columbia subject headings:
Christian antiquities.
Fathers of the church.
Perler, Othmar, 1900-
Harvard subject headings:
Christian antiquities.
Fathers of the church.
Perler, Othmar, 1900---Bibliography.
Princeton subject headings:
Christian antiquities.
Christian art and symbolism.
Fathers of the church.
Perler, Othmar, 1900-