Watt, Dr NeilMary Cowan (неопр.). — «Her trustees invested, in 1744, a portion of her fortune thought to be in the region of £42000, consisting of East India Company Stock, in 'two extensive manors in County Down, Newtownards and Comber, comprising in all sixty townships, which were for sale and might be expected to yield a satisfactory return on capital investment.'». Дата обращения: 5 января 2022. Архивировано 5 января 2022 года.
Watt, Dr NeilMary Cowan (неопр.). — «Her trustees invested, in 1744, a portion of her fortune thought to be in the region of £42000, consisting of East India Company Stock, in 'two extensive manors in County Down, Newtownards and Comber, comprising in all sixty townships, which were for sale and might be expected to yield a satisfactory return on capital investment.'». Дата обращения: 5 января 2022. Архивировано 5 января 2022 года.