1 "Ficheiro:The_American_journal_of_science._(IA_mobot31753002152921).pdf".

Ficheiro:The American journal of science. (IA mobot31753002152921).pdf

operator: Internet Archive Internet Archive ID: mobot31753002152921 described at URL: https://archive.org/download/mobot31753002152921/mobot31753002152921.pdf...