1914. p. 336. ↑ https://web.archive.org/web/20180812152446/http://www.stampworldhistory.com/country-profiles-2/africa/morocco/ Retrieved 12 August 2018. ↑ https://web.archive.org/web/20180815101550/http://www.stampworldhistory.com/country-profiles-2/africa/spanish-morocco/ Retrieved 12 August 2018. ↑ https://web.archive.org/web/20170805001309/http://www.stampworldhistory.com:80/country-profiles-2/africa/cape-juby/ Retrieved 12 August 2018. ↑ https://web.archive.org/web/20170805000426/http://www.stampworldhistory.com:80/country-profiles-2/africa/ifni/ Retrieved 12 August 2018. ↑ https://web.archive.org/web/20180402132948/http://www.stampworldhistory.com:80/country-profiles-2/africa/spanish-sahara/ Retrieved 12 August 2018. ↑ http://www.pwmo.org/Illegals/illegals-morocco.htm Retrieved 29 August 2010.