She had a good knowledge of English books; many persons entertained her for her advice, relative to purchasing them. She obtained a comfortable subsistence from teaching and translating foreign languages, and by selling books chiefly in foreign literature. She taught the Duke of Portland the German language, and was always welcomed to his house; the Prussian Ambassador to our court received from her a knowledge of the English language; and several distinguished noblemen she frequently visited to instruct them in the French tongue; she also taught Edward Gibbon, the celebrated Roman historian, the German language, previous to his visiting that country. This extraordinary female has never been known to have appeared in any other but the male dress since her arrival in England, where she remained upwards of thirty years; and upon occasions she would attend at court, decked in very superb attire; and was well remembered about the streets of London; and particularly frequent in attending book auctions, and would buy to a large amount, sometimes a coach load, &c. Here her singular figure generally made her the jest of the company. Her general purchase at these sales was odd volumes; which she used to carry to other booksellers, and endeavour to sell, or exchange for other books. She was also a considerable collector of medals and foreign coins of gold and silver; but none of these were found after her decease. She frequented the Furnival's Inn coffee house, in Holborn, dining there almost every day; she would have the first of every thing in season, and was as strenuous for a large quantity, as she was dainty in the quality of what she chose for her table. At times, it is well known, she could dispense with three pounds of solid meat; and, we are sorry to say, she was much inclined to extravagant drinking. The disorder of a cancer in her breast, occasioned by falling down stairs, she was, after much affliction, _at length compelled_ to make known to a German physician, who prescribed for her; when the disorder turned to a dropsy, defied all cure, and finished the career of so remarkable a lady.