Cyfrifiad 1981
Subtitle: adroddiad ar Gymru
By: Swyddfa Cyfrif ac Adolygu'r Boblogaeth.
Contributors: Great Britain. Office of Population Censuses and Surveys.
Series: CEN81 AG
Publisher: Gwasg Ei Mawrhydi
Published: 1984
Place of publication: Caerdydd
Language: wel
Number of pages: 151
Subjects: Wales -- Census.