12) Mortimer, Roger de, 4th earl of March and 2d earl of Ulster. The Columbia Encyclopedia, Sixth Edition. 2001
...Roger de, 4th earl of March and 2d earl of Ulster, 1374-98, English nobleman. He succeeded (1381) his father, Edmund de Mortimer, 3d earl of March, and was brought...

13) Gaelic literature. The Columbia Encyclopedia, Sixth Edition. 2001
...Gaelic literature, literature in the native tongue of Ireland and Scotland. Since Scots Gaelic became separate from Irish Gaelic only in the 17th cent., the literature...

14) science fiction. The Columbia Encyclopedia, Sixth Edition. 2001
...Although science fiction is a form of fantastic literature, many of the events recounted are within the realm of future possibility, e.g., robots, space travel, interplanetary...

15) Ireland. The Columbia Encyclopedia, Sixth Edition. 2001
...The island is divided into two major political units-Northern Ireland (see Ireland, Northern), which is joined with Great Britain in the United Kingdom, and the Republic...