Y Gwyddoniadur Cymreig, cyfrol I
Subtitle: Encyclopaedia Cambrensis
By: Dan Olygiad Y Parchedig John Parry, Bala
Publisher: Thomas Gee
Published: 1856
Place of publication: Dinbych
Language: wel
Format: Hardcover
Number of pages: 734
Subjects: General
First sentence: AALAR, un o arweinyddion gweinidogion y deml, a meibion gweision Solomon, y rhai a ddaethent i fyny o Thelmeleth a Thelharsa, taleithiau yn ymherodraeth Babilon, i Ierusalem ; 1 Esdr. v. 36.
Description: A general encyclopaedia in Welsh. This, volume I, covers subjects Aalar to Blaidd.
Notes: The volume is number 1 of 10. 
The editor was John Parry (1812-1874).
Table of contents: class: section