There are 4 titles associated with this firm.

Grant, Anne. Letters from the Mountains: Being the Real Correspondence of a Lady, Between the Years 1773 and 1807. In three volumes. The second edition. London: Longman, Hurst, Rees, and Orme, John Hatchard [190 Piccadilly], Harriet Cook, 1807.
Grant, Anne. Letters from the Mountains: Being the Real Correspondence of a Lady, Between the Years 1773 and 1807. In three volumes. The third edition. London: Longman, Hurst, Rees, and Orme, John Hatchard [190 Piccadilly], Harriet Cook, 1807.
Grant, Anne. Letters from the Mountains: Being the Real Correspondence of a Lady, Between the Years 1773 and 1807. In Three Volumes. The Fourth Edition. London: John Hatchard [190 Piccadilly], Longman, Hurst, Rees, and Orme, Harriet Cook, 1809.
Grant, Anne. Letters from the Mountains: Being the Real Correspondence of a Lady, Between the Years 1773 and 1807. In Three Volumes. The Fifth Edition. London: John Hatchard [190 Piccadilly], Longman, Hurst, Rees, Orme, and Brown, Harriet Cook, 1813.