Justin, priest, 309–312. Kertinagh, island in Ireland, 109, 110. Kevinus, Irish saint, 112, 113. Keyser, Rudolf, Norwegian historian, 6 note, 68. King, The, authority and power of, 35, 40–45, 52, 75, 174, 175, 246, 247, 298, 299; relation of, to the church, 35, 36, 46–48, 363–366; holds his title from God, 40–43, 49, 246–251, 290; judicial duties of, 114, 115, 251, 290, 304–308, 314, 358–360; customs to be observed in presence of, 179–192, 227, 228; cap and mantle not to be worn in presence of, 182, 184–186; rules of speech in presence of, 183, 186–191; if unwise or young may bring ruin upon the land, 197–203; diversions of, 208, 209, 297, 298; business of, during the day, 246, 250, 298; to give thought to the realm at night, 250; needs to be well informed, 251; prayer of, 290–296; should attend the services of the church, 290, 297; should meditate on the source of wisdom, 299. King’s Crag, Norwegian borough, 30. Kingship, Joint, _see_ Joint kingship. Kingship, Norwegian theory of, 33–35, 39–44. Kingsmen, 78, 79, 85, 164; advantages of being, 167–172, 175; classes of, 170–173, 176; how to become, 179–184. duties of, 207–213. _King’s Mirror_, The, plan and purpose of, 6–8, 72–76; author of, 8, 9, 54–60, 77, 79; relation of, to other works, 8–10, 19, 20, 22–26; scientific notions of, 11–21, 83, 87, 91–99, 126–132, 145, 146; date of composition of, 32, 35, 55, 60–64; political theories of, 39–48; ethical and theological ideas of, 49–52; modern characteristics of, 53, 54; place of composition of, 59, 60; manuscripts of, 65, 66, 68–70; editions and translations of, 66–71; mention of, 39, 44, 46–49, 52–54, 61, 68, 71, 74; _see Speculum Regale_. Kiranus, Irish saint, 117. Klefsan, Irish clown, 118. Knee pieces, 219. Knights, 178, 322. Knowledge, Tree of, 252, 253, 255, 264, 265. _Kongespegelen_, 70. Kraken, The, 22, 125. Ladders, Scaling, 221, 225. Lakes, Miracle working, 106–110. Landedmen, holders of fiefs in Norway, 172, 175. Langton, Stephen, English archbishop, 257 note. Languages, Study of, encouraged, 81. Latin language, Importance of the, 39, 54, 81. Law, Study of, 81. Lawrence, Saint, 309–313. Lazarus, 289. Lead, Molten, useful in defensive warfare, 224. Leap year, 94. Levites, 51. Liberal arts, The seven, 303. Licentiousness, to be avoided, 83, 206, 228. Lightning, Source of, 129. Lofoten, 59, 98 note. Logechag (Lough Neagh?), lake in Ireland, 106, 107. Logherne (Lough Erne or Lough Owel), lake in Ireland, 109, 110. Logri (Loch Cré or Loch Ree), lake in Ireland, 109, 111. Longbow, 215. Louis IX, French king, 31. Low Countries, 28. Loycha, lake in Ireland, 107, 108. Lucifer, 259, 262–268, 271. Lund, Swedish cathedral town, 36. Macrobius, 15, 147 note, 154 note. Magnus Bareleg, Norwegian king, 34. Magnus the Blind, Norwegian king, 34.