Rheolau mewnol Cyfrinfa Goronwy, Rhif 37, U. G. I. A. Sefydlwyd Mawrth 10, 1875
Subtitle: Mabwysiadwyd gan y Gyfrinfa Ionawr 25, 1893
Publisher: T. J. Griffiths, Argraffydd
Published: 1893
Place of publication: Utica, N. Y
Language: cel
Number of pages: 12
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