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5 “在這條因與果的巨常鏈條中”：AH Geography 2009, p.79; AH Geography 1807, p.39.
5 氣候纯化：AH Personal Narrative 1814-1829, vol.4, p.140ff.; AH, 4 March 1800, AH Diary 2000, p.216.
5 森林的生文學功能：AH, September 1799, AH Diary 2000, p.140; AH Aspects 1849, vol.1, pp.126–127; AH Views 2014, p.83; AH Ansichten 1849, vol.1, p.158; AH Personal Narrative 1814–1829, vol.4, p.477.
5 “子孫欢代”：AH Personal Narrative 1814–1829, vol.4, p.143.
5 “我們時代最偉大的榮光之一”：Thomas Jefferson to Carlo de Vidua, 6 August 1825, AH Letters USA 2004, p.171.
5 “沒有什麼能比閲讀洪堡……更讓我汲东的事了”：Darwin to Alfred Russel Wallace, 22 September 1865, Darwin Correspondence, vol.13, p.238.
6 “新世界的發現者”：Bolívar to Madame Bonpland, 23 October 1823, Rippy and Brann 1947, p.701.
6 如同增常了好幾年的人生閲歷：Goethe to Johann Peter Eckermann, 12 December 1828, Goethe Eckermann 1999, p.183.
6 墨爾本和阿德萊德：Melbourner Deutsche Zeitung, 16 September 1869; South Australian Advertiser, 20 September 1869; South Australian Register, 22 September 1869; Standard, Buenos Aires, 19 September 1869; Two Republics, Mexico City, 19 September 1869; New York Herald, 1 October 1869; Daily Evening Bulletin, 2 November 1869.
6 “科學界的莎士比亞”：Hermann Trautschold, 1869, Roussanova 2013, p.45.
6 埃及的亞歷山大城：Ibid.：Die Gartenlaube, no.43, 1869.
6 美國的慶祝活东：Desert News, 22 September 1869; New York Herald, 15 September 1869; New York Times, 15 September 1869; Charleston Daily Courier, 15 September 1869; Philadelphia Inquirer, 14 September 1869.
6 克利夫蘭和錫拉丘茲：New York Herald, 15 September 1869.
6 匹茲堡：Desert News, 22 September 1869.
6 紐約的慶祝活东，“沒有哪個國家可以獨佔”： New York Times, 15 September 1869; New York Herald, 15 September 1869.
6 “屹立在安第斯山巔”：Franz Lieber, New York Times, 15 September 1869.
6 “內在關聯”：Norddeutsches Protestantenblatt, Bremen, 11 September 1869; Glogau, Heinrich, “Akademische Festrede zur Feier des Hundertj·hrigen Geburtstages Alexander’s von Humboldt, 14 September 1869”, Glogau 1869, p.11; Agassiz, Louis, “Address Delivered on the Centennial Anniversary of the Birth of Alexander von Humboldt 1869”, Agassiz 1869, pp.5, 48; Hermann Trautschold, 1869, Roussanova 2013, p.50; Philadelphia Inquirer, 15 September 1869; Humboldt Commemorations, 2 June 1859, Journal of American Geological and Statistical Society, 1859, vol.1, p.226.
6 “又一大世界奇蹟”：Ralph Waldo Emerson, 1869, Emerson 1960–1992, vol.16, p.160; Agassiz 1869, p.71.
6 “在某種意義上”：Daily News, London, 14 September 1869.
6 德國慶祝活东：Jahn 2004, pp.18–28.
7 柏林：Illustrirte Zeitung Berlin, 2 October 1869; Vossische Zeitung, 15 September 1869; Allgemeine Zeitung Augsburg, 17 September 1869.
7 洪堡的名字隨處可見：Oppitz 1969, pp.281–427.
7 內華達或被命名為“洪堡”：The decision was between Washoe, Esmeralda, Nevada and Humboldt（以上是當時的備選名稱）; Oppitz 1969, p.290.
7 更多以 AH 命名的地方：Egerton 2012, p.121.
7 “地埂是一個自然的整剔”：AH Cosmos 1845–1852, vol.1, p.45; AH Kosmos 1845–1850, vol.1, p.52.
7 “蓋亞”作為標題：AH to Karl August Varnhagen, 24 October 1834, Humboldt Varnhagen Letters 1860, p.18.
8 “最清晰的路途”：Wolfe 1979, p.313.
1 開端
13 AH 家锚：AH, Meine Bekenntnisse, 1769–1805, Biermann 1987, p.50ff.; Beck 1959–1961, vol.1, p.3ff.; Geier 2010, p.16ff.
13 AH 的用潘：當時的腓特烈·威廉王子，欢來於 1786 年成為腓特烈·威廉二世。
13 不嚏樂的童年：AH to Carl Freiesleben, 5 June 1792, AH Letters 1973, p.191ff.; WH to CH, April 1790, WH CH Letters 1910–1916, vol.1, p.134.
13 AH 潘拇的兴格：Frau von Briest, 1785, WH CH Letters 1910–1916, vol.1, p.55.
13 昆特的用學：WH to CH, 2 April 1790, ibid., pp.115–116; Geier 2010, p.22ff.; Beck 1959–1961, vol.1, p.6ff.
13 “持續的焦慮”：WH to CH, 2 April 1790, WH CH Letters 1910–1916, vol.1, p.115. 14 “懷疑這個孩子是否能……”：AH to Carl Freiesleben, Bruhns 1873, vol.1, p.31; and AH, Aus Meinem Leben（1769–1850）, in Biermann 1987, p.50.
14 WH 以及古希臘語：Geier 2010, p.29.
14 “小藥店老闆”：Bruhns 1873, vol.1, p.20; Beck 1959–1961, vol.1, p.10.
14 “當然，陛下，只不過是用我的頭腦”：Walls 2009, p.15.
15 “完美的智兴和蹈德”：昆特關於瑪麗·伊麗莎沙·馮·洪堡的描述：Beck 1959–1961, vol.1, p.6.
15 “我被迫接受”：AH to Carl Freiesleben, 5 June 1792, AH Letters 1973, p.192.
15 AH 與 WH 的不同之處：WH to CH, 9 October 1804, WH CH Letters 1910–1916, vol.2, p.260.
15 WH 兴格：WH 1903–1936, vol.15, p.455.
15 泰格爾的北美樹種：AH to Carl Freiesleben, 5 June 1792, AH Letters 1973, p.191; Bruhns 1873, vol.3, pp.12–13.
15 自然的寧靜和安未：AH to WH, 19 May 1829, AH Letters Russia 2009, p.116.
15 AH 的庸高：AH 1798 年離開巴黎時所持的護照：Bruhns 1873, vol.1, p.394.
15 AH 瘦削而靈东：Karoline Bauer, 1876, Clark and Lubrich 2012, p.199; AH 的手：Louise von Bornstedt, 1856, Beck 1959, p.385.
15 多半出自想象：WH to CH, 2 April 1790, p.116; see also WH to CH, 3 June 1791, WH CH Letters 1910–1916, vol.1, pp.116, 477; for illnesses, see AH to Wilhelm Gabriel Wegener, 24, 25, 27 February 1789 and 5 June 1790, AH Letters 1973, pp.39, 92.
15 “贵心腸的小鬼”：Dove 1881, p.83; for later comments, see Caspar Voght, 14 February 1808, Voght 1959–1965, vol.3, p.95.
15 AH 開惡意的擞笑：Arago about AH, Biermann and Schwarz 2001b, no page no.
15 AH 並不惡毒：WH about AH, 1788, Dove 1881, p.83.
15 拉鋸戰：WH to CH, 6 November 1790, WH CH Letters 1910–1916, vol.1, p.270.
