Page [400]—Wybyr amended to Wybr—"Cwn y Wybr, 233"
Page [404]—Howel amended to Howell—"Howell Dda, 298"
Page [408]—Dyved amended to Dyfed—"Pwyll, Prince of Dyfed, 234"
The frontispiece illustration has been moved to follow the title page. Other illustrations have been moved where necessary so that they are not in the middle of a paragraph.
Alphabetic links have been added to the beginning of the Index for ease of navigation.
A longer version of the music for Dafydd y Garreg Wen was provided by the music transcriber and is included in this text as an addition.