Hints and tips:
...After I’d had enough of McAllister’s diktats, I dived into To Marry an English Lord (1989) by Gail MacColl and Carol McD Wallace, which partly inspired Fellowes’ previous series, Downton Abbey....
...“The starting point for me was looking at an interview with her daughter [Carol Thatcher], realising that she was acknowledging that her mother’s mind was slipping,” Morgan says....
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