Analysis of information sources in references of the Wikipedia article "Juan Sebastián Elcano" in English language version.
En algunos escritos referentes al marino, se leé su apellido Cano, en otros Elcano, y en su firma DEL-Cano. Es posible que el apellido ELCANO, con que mas se le conoce, se vulgarizase, para diferenciarle de SANTIAGO CANO, el navegante portugués que descubrió el Congo en 1484." English: "In some writings referring to the sailor, we read his surname as Cano, in others Elcano, and in his signature DEL-CANO. It is possible that the surname ELCANO, by which he is better known, was vulgarized to differentiate him from SANTIAGO CANO, the Portuguese navigator who discovered the Congo in 1484.
