Overlapping male and female spheres : a study of the gender relations in Elizabeth Gaskell’s north and south, George Eliot’s middlemarch and Henry James’s the portrait of a lady = örtüşen kadın ve erkek dünyaları : Elizabeth Gaskell’in north and south, George Eliot’in middlemarch ve Henry James’in the portrait of a lady romanlarında toplumsal cinsiyet ilişkilerinin çalışılması