Biblio
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[ Author] Title Type Year Filters: Keyword is Popocatepetl and Author is Douglass, A.E. [Clear All Filters]
. 1897. Douglass, AE_An Ascent of Popocatepetl_1897.pdf (1.92 MB)
“An Ascent Of Popocatepetl”. Popular Astronomy. Popular Astronomy.
. 1898. Douglass, AE_An Ascent of Popocatepetl_1898.pdf (6.69 MB)