Analysis of information sources in references of the Wikipedia article "Portuguese maritime exploration" in English language version.
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: CS1 maint: archived copy as title (link) FATHER ESTEVAO CACELLA'S REPORT ON BHUTAN IN 1627.{{cite web}}
: CS1 maint: archived copy as title (link) FATHER ESTEVAO CACELLA'S REPORT ON BHUTAN IN 1627.