German explorer and scientist who made an expeditions to Cuba, Central, and South America (1779-1804).

REFERENCES TO Alexander Freiherr von Humboldt:

John Allen to John Whishart, 19 August 1814 in The “Pope” of Holland House: Selections from the Correspondence of John Whishaw and his Friends 1813-1840 (London: T. Fisher Unwin, 1906)

Robert Southey to Messrs. Longman and Co., 3 September 1814 in The Life and Correspondence of Robert Southey (London: 1849-1850)

Elizabeth Patterson Bonaparte to Lady Morgan, 23 September 1816 in Lady Morgan’s Memoirs: Autobiography, Diaries and Correspondence. Second Edition, Revised 2 vols (London: Wm. H. Allen & Co., 1863)

John Whishaw to Thomas Smith, 7 March 1818 in The “Pope” of Holland House: Selections from the Correspondence of John Whishaw and his Friends 1813-1840 (London: T. Fisher Unwin, 1906)

Robert Southey to Walter Scott, 10 March 1818 in The Life and Correspondence of Robert Southey (London: 1849-1850)

Lord Byron to William Bankes, 20 November 1819 in Letters and Journals of Lord Byron 2 Vols (London: John Murray, 1830)

Robert Southey to Walter Savage Landor, 19 December 1821 in The Life and Correspondence of Robert Southey (London: 1849-1850)

Sydney Smith to Catharine Amelia Smith, 23 April 1826 in A Memoir of the Reverend Sydney Smith. By his Daughter, Lady Holland. With a Selection from his Letters, edited by Mrs. Austin 2 vols (London: Longman, Brown, Green, and Longmans, 1855)

John Gibson Lockhart to Thomas De Quincey, [December? 1828] in The Life and Letters of John Gibson Lockhart (London: John C. Nimmo, 1897)

Lady Holland to Samuel Rogers, 1 August [1832?] in Samuel Rogers and his Contemporaries 2 Vols (London: Smith, Elder & Co., 1889)