Columbia subject headings:
Burjan, Hildegard, 1883-1933.
Schwesternschaft Caritas Socialis.
Harvard subject headings:
Burjan, Hildegard, 1883-1933.
Schwesternschaft Caritas Socialis.
Princeton subject headings:
Burjan, Hildegard, 1883-1933.
Schwesternschaft Caritas Socialis.