Columbia subject headings:
Harvard subject headings:
Aleramo, Sibilla, 1876-1960--Correspondence.
Key, Ellen, 1849-1926--Correspondence.
Women authors, Italian--Correspondence.
Women authors, Swedish--Correspondence.
Princeton subject headings:
Aleramo, Sibilla, 1876-1960--Correspondence.
Key, Ellen, 1849-1926--Correspondence.
Women social reformers--Sweden--Correspondence.