Unol Daleithiau America 1917-1980
By: awdur: Nigel Smith ; addasiad gan John Emyr.
Contributors: Emyr, John.; University of Wales, Bangor.
Series: Hanes ar gyfer TGAU
Publisher: Prifysgol Cymru, Bangor
Published: 1998
Place of publication: Bangor
Language: wel
Number of pages: 120
Subjects: United States -- History -- 20th century.; United States -- History -- Study and teaching.
Work titles: The USA: 1917-1980.
Notes: Arg. Saesneg gwreiddiol = Original English ed.: Oxford: Oxford University Press, 1996.

Addasiad Cymraeg gan = Welsh adaptation by: John Emyr.

Yn cynnwys mynegai = Includes index.

Addasiad Cymraeg o = Welsh adaptation of: The USA: 1917-1980.