Columbia subject headings:
Prussia, East (Poland and Russia)--Biography.
Schröder, Luise, 1878-1975.
Steppuhn-Liekeim, Luise, 1878-1971--Correspondence.
Harvard subject headings:
Prussia, East (Poland and Russia)--Biography.
Steppuhn-Liekeim, Luise, 1878-1971--Correspondence.
Princeton subject headings: