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| Last Name | First Name | Dates | Confirmed | Volume Number | Page Number | Correspondence Information | Image | Other archives materials |
|---|---|---|---|---|---|---|---|---|
| Kalm | Pehr | 1716-1779 | birth and death dates verified TL2 | 3 | 74 | 3 page letter from Quebec, Canada, 1749. | no image | |
| Kellerman | William Ashbrook | 1850-1905 | birth and death dates verified TL2 | 3 | 74 | 2 page letter from Manhattan, KS, 11 April 1884 | no image | Historic Letters Collection; Photographic Archives #0768 |
| Kellogg | Albert | 1813-1887 | birth and death dates verified TL2 | 3 | 75 | 4 page letter from San Francisco, CA 1860, 23 July 1830 | no image | Historic Letters Collection |
| Kennedy | George Golding | 1841-1918 | birth and death dates verified Barnhart | 3 | 76 | 1 page letter from Readville, MA, 16 April 1886 | no image | Historic Letters Collection; Photographic Archives #1133, #0975, #0246, #0908, #0935, #0907, #0245, #0247, #0248, #1088, #1114, #0244, #0249, #1134 |
| Kennicott | Robert | 1835-1866 | birth and death dates verified Barnhart | 3 | 76 | 2 page letter from New York, NY, 20 March 1865 | no image | Photographic Archives #0757 |
| Kerner | Johann Simon von | 1755-1830 | birth and death dates verified Barnhart and TL2 | 3 | 1 page letter from Stuttgart 1786 | no image | ||
| Kerr | Walter C. | 1858-1910 | birth and death dates verified Barnhart | 3 | 78 | 3 page letter from Raleigh, NC, 5 March 1868 | no image | |
| Kippist | Richard | 1812-1882 | birth and death dates verified Barnhart | 3 | 78 | 4 page letter from London, England, 10 April 1853 | no image | Historic Letters Collection |
| Kirtland | Jared Potter | 1793-1877 | birth and death dates verified | 3 | 79 | 2 page letter from East Rockport, OH, 5 October 1870 | no image | Historic Letters Collection |
| Kitaibel | Paul | 1757-1817 | birth and death dates verified Barnhart | 3 | 79 | 2 page letter from Pesth, Hungary, 27 January 1813 | no image | |
| Klatt | Friedrich Wilhelm | 1825-1897 | birth and death dates verified Barnhart | 3 | 80 | 1 page letter from Hamburg, Germany, 31 May 1880 | photo 2 1/2"x4" | Historic Letters Collection; Photographic Archives #1158 |
| Kleeberger | George Reinard | no dates | birth and death dates verified Barnhart | 3 | 80 | 2 page letter from New Haven, CT, 29 June 1875 | photo 2 1/2"x4" | Historic Letters Collection |
| Klotzsch | Johann Friedrich | 1805-1860 | birth and death dates verified TL2 | 3 | 81 | 4 page letter from Berlin, Prussia, 1842 | no image | |
| Knieskern | Peter D. | 1798-1871 | birth and death dates verified TL2 | 3 | 3 page letter from Squam Village, NJ, 25 December 1849 | no image | Historic Letters Collection; Photographic Archives #0664 | |
| Knight | Thomas Andrew | 1759-1839 | birth and death dates verified TL2 | 3 | 83 | 4 page letter from Downton, England, 1828 regarding the physiology of plants | sketch 4"x6" | Historic Letters Collection |
| Kny | Carl Ignaz Leopold | 1841-1916 | birth and death dates verified TL2 | 3 | 84 | card from Berlin, Prussia, 1888 | no image | |
| Koch | Karl Heinrich Emil | 1809-1879 | birth and death dates verified TL2 | 3 | 84 | Ad. lectures (doubtful autograph) | no image | |
| Koch | Wilhelm Daniel Joseph | 1771-1849 | birth and death dates verified TL2 | 3 | 85 | 1 page letter from Erlangen, Bavaria, 30 January 1815; 27 August 1833; 5 labels; 3 page letter from Kaisers.autern, Bavaria 1815 | no image | |
| Koehne | Bernard Adalbert Emil | 1848-1918 | birth and death dates verified | 3 | 86 | 1 page letter from Berlin, Prussia, 1884 | photo 2 1/2"x4" | |
| Koeler | Georg Ludwig | 1765-1807 | birth and death dates verified TL2 | 3 | 87 | 3 page letter from Mayence, Germany | no image | |
| Konig | Karl Dietrich Eberhard | 1774-1851 | birth and death dates verified TL2 | 3 | 88 | 1 page letter from London, England, 1815 | no image | Historic Letters Collection; Photographic Archives; Personal Papers of Gray Archives |
| Korte | Franz Friedrich Ernst | 1782-1845 | birth and death dates unverified | 3 | 89 | 1 page letter from Moglin, Germany, 18 April 1819 | no image | |
| Korthals | Pieter Wilhelm | 1807-1892 | birth and death dates verified TL2 | 3 | 90 | 1 page letter from Philadelphia, PA 1847 | no image | |
| Kosteletzky | Vincent Franz | 1801-1887 | birth and death dates verified TL2 | 3 | 91 | 1 page letter from Prague, Bohemia, 1845 | photo 2 1/2"x4" | |
| Kotschy | Carl Georg Theodore | 1813-1866 | birth and death dates verified TL2 | 3 | 91 | illegible | photo 2 1/2"x4" | Photographic Archives #1408 map case |
| Kuhn | Adam | 1741-1817 | birth and death dates verified Barnhart | 3 | 91 | signature | no image | Archives |
| Kunth | Carl Sigismund | 1788-1850 | birth and death dates verified Barnhart | 3 | 92 | 2 page letter from London, England 1886; 3 labels | no image | |
| Kunze | Gustav | 1793-1850 | birth and death dates verified TL2 | 3 | 93 | 1 page letter from Nordhausen, Saxony, 18 January 1838 | sketch 4"x6" | Historic Letters Collection |
| Kutzing | Friedrich Traugott | 1807-1893 | birth and death dates verified TL2 | 3 | 1 page letter from Nordhausen, Saxony | no image |
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