Columbia subject headings:
Liljefors, Bruno, 1860-1939.
Liljefors, Signe--Correspondence.
Harvard subject headings:
Liljefors, Bruno, 1860-1939--Family.
Liljefors, Signe, 1867-1944
Painters' spouses--Correspondence.
Uggla, Alma, 1871-1951
Princeton subject headings:
Liljefors, Bruno, 1860-1939.
Liljefors, Signe--Correspondence.