Columbia subject headings:
Shelley, Mary Wollstonecraft, 1797-1851.
Shelley, Percy Bysshe, 1792-1822.
Harvard subject headings:
Authors, English--19th century--Biography
Shelley, Mary Wollstonecraft, 1797-1851
Shelley, Percy Bysshe, 1792-1822
Princeton subject headings:
Shelley, Mary Wollstonecraft, 1797-1851.
Shelley, Percy Bysshe, 1792-1822.