- -Voyage autour de mon jardin- Alphonse Karr, Voyage autour de mon jardin, Paris, Nelson, Calman-Levy, circa 1845, p. 192-193.
- -Alphonse Karr- Alphonse Karr, Dictionnaire du pêcheur, Paris, Garnier, 1855, p. 89.
- -Porticoes and pillars- John William Kaye, Doveton ; or, the man of many impulse, Londres, Smith Elder & Co., 1837, p. 149-153.
- – A confrere- John Harrington Keene, The practical fisherman: dealing with the natural history, the legendary Lore, Londres, The Bazaar, 1881, p. 106 et 303.
- –In more quiet places- Vernon Lyman. Kellogg, « Some water insects », The Western Journal of Education, San Francisco, juin 1899, p. 9-10.
- -Familiar objects- Vernon Lyman Kellogg, American insects, Ill. Wellman Mary, New York, H. Holt & Co., 1905, p. 240-241.
- -This case I lined nicely with silk- M. A. B. Kelly, Leaves from Nature’s Story Book, vol. II, Boston, Educational Publishing Company, 1893, p. 54.
- -His own secret device- Walter Kenyon, « Manuel Training : Its Geometry and Mensuration », The School Journal, New York & Chicago, vol. 56, n°7, 12 février 1898, p. 185.
- -I came to realize an essential truth- Jim Kershner, Moutain Goats are My Weakness, And Other Tales of Life in the Northwest, Spokane (WA) New Media Venture, 2004, p. 244.
- -The larva’s head isn’t detected- Theodore Kesting, Trout fishing, New York, Thomas Nelson, 1962, p.14.
- -Is proverbial- Ibn Khallikan’s , Biographical Dictionnary, vol. IV, traduction par Mac Guckin de Slane, Paris, Oriental Translation Fund of Great Britain and Ireland, 1871, p. 374.
- –There is little doubt as to the winner- G. Kiddell, Walks and Talks, Londres, Sir Isaac Pitman, 1927, p. 31-32.
- -Prose Idylls- Charles Kingsley, Prose Idylls, new and old, Londres, Macmillan & Co., 1870.
- -They are amusing without being immoral- Charles Kingsley, The boys’ and girls’ book of science, Londres, Strahan & Co., 1881, p. 189-190 et 222-225.
- -The Water-Babies (Sambourne)- Charles Kingsley, The Water-Babies, chapitres II et III, Ill. Linley Sambourne, Londres, Mac Millan & Co., (1863), 1899.
- -The Water-Babies (Attwell)- Charles Kingsley, The Water-Babies, chapitres II et III, Ill. Mabel Lucie Attwell, Londres, Raphal Tuck & Sons, circa 1915.
- –What a shame!- Charles Kingsley, « The Water-Babies », Ill. Hugh McNeill & Ron Nielsen, Londres, Once Upon a Time, n° 54, 21 février 1970, p . 2.
- –On the Banks of the Amazon- William Henry Giles Kingston, On the Banks of the Amazon, Londres, Thomas Nelson, 1907.
- –Verses of Rudyard Kipling- Rudyard Kipling, Verses 1889-1896, Londres, Doubleday, 1919.
- -If you are desirous- W. Kirby & W. Spence, An introduction to Entomology or Elements of the NaturaL History of Insects, vol. 1, Londres, Longman, Hurst, Rees, Orme & Brown, 1818, p. 470-472.
- -A silk foundation- L. Kirk, « Entomology as a Hobby, Presidential Address »,Lincoln, Lincolnshire Naturalists Union Transactions, vol. XI, n°4, december 1947, p. 151.
- -Much smaller than a person’s little finger- Bert Kitchen, And So They Build, Candlewick Press, 1993.
- –Three hours fifteen minutes and ten hours twelves minutes- Fred Kitchen & Clifford W. Greatorex, What the countryman wants to know, Londres, Victor Gollancz, 1948, p. 194-195.
- –Adjust the weight- John Kitto, A Cyclopedia of Biblical Literature, vol. II, New York, Mark H. Newman, 1846.
- –Horns or trumpets- Alexander B. Klots & Elsie B. Klots, Living Insects of the World, Londres, Hamish Hamilton, 1959, p. 105.
- -Incredibly beautiful- Elsie B. Klots, Freshwater Life, New York, G.P. Putnam’s Sons, 1966, p. 253-255.
- –Egypt- Karl Benjamin Klunzinger, Upper Egypt: Its People and Its Products, New York, Scribner, Armstrong & Company, 1878, p. 242.
- -Good camouflage- G.R. Knap, Pond Life, Exeter, Wheaton, 1962.
- –A white and a blue caddis larva- Maxwell Knight, Instruction to young naturalist, n°1, British, Amphibians, Reptiles and Pond Dwellers, Londres, Museum Press, 1956, p. 122-113.
- -Debris from the bottom- Francis Knowles, Freshwater and Salt-water Aquaria, Londres, George G. Harrap & Co., 1963, p. 76-77.
- –Mr. Ezra Pond, the American troubadour- Edmund George Valpy Knox, Parodies regained, Ill. Geo. Morrow, Londres, Methuen, 1921, p. 89-90.
- -Consummatory acts- Arthur Koestler, The act of creation, Londres, Hutchinson, 1964, p. 486.
- -Si l’on veut l’avoir entier- C. Kresz, Le pêcheur français : traité de la pêche, à la ligne et aux filets, en eau douce, contenant l’histoire naturelle des poissons, la manière de pêcher les différentes espèces et l’art de fabriquer les filets, Paris, Audot, 1818.