Clio. Instituto Nacional de Investigação Científica. 2007: 104 [2021-01-22]. (原始内容存档于2022-09-25) (巴西葡萄牙语).
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Censuses at the time just refer to "Portugal" (1864 (页面存档备份,存于互联网档案馆) and 1878 (页面存档备份,存于互联网档案馆)) or the "Kingdom of Portugal" (1890 (页面存档备份,存于互联网档案馆) and 1900 (页面存档备份,存于互联网档案馆)), without any reference to the existence of any special statue of the Algarve, which appears as just another province of Portugal.
web.archive.org
Censuses at the time just refer to "Portugal" (1864 (页面存档备份,存于互联网档案馆) and 1878 (页面存档备份,存于互联网档案馆)) or the "Kingdom of Portugal" (1890 (页面存档备份,存于互联网档案馆) and 1900 (页面存档备份,存于互联网档案馆)), without any reference to the existence of any special statue of the Algarve, which appears as just another province of Portugal.