Egypt. Jihāz al-Markazī lil-Taʻbiʼah al-ʻĀmmah wa-al-Iḥṣāʼ
Statistics South Africa.
Hong Kong. Census and Statistics Department
Statistics Canada.
Markaz-i Āmār-i Īrān
New Zealand.
Unknown Author
Ireland. Central Statistics Office.
Statistics Canada
Ireland. Central Statistics Office
Statistics Canada. Agriculture Division
David Lucas
Andreas Demmke