Y Gwyddoniadur Cymreig, cyfrol III
Subtitle: Encyclopaedia Cambrensis
By: Dan Olygiad Y Parchedig John Parry, Bala
Publisher: Thomas Gee
Published: 1861
Place of publication: Dinbych
Language: wel
Format: Hardcover
Number of pages: 730
Subjects: General
First sentence: CYNGHORFA, neu GYMMANFA APOSTOLAIDD, y gelwir y cafarfod y dywedir fel y canlyn am dano yn y bymthegfed bennod o Lyfr yr Actau.
Description: A general encyclopaedia in Welsh. This, volume III, covers subjects Cynghorfa to Duwinyddiaeth.
Notes: The volume is number 3 of 10. 
The editor was John Parry (1812-1874).
Table of contents: class: section