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Agatha Christie
Westmacott Mary (Agatha Christie)
Agatha / Westmacott Christie
Agatha Christie (As Mary Westmacott)
Christie, Agatha Aka Westmacott, M.
Christie, Agatha-Westmacott, Mary
Christie, Agatha] "Mary Westmacott."

See also:

Westmacott, Mary [pseud. of Agatha Christie]