Before Star Wars or Trek.
Before WWII And WWI.
An interplanetary series of stories, with aliens, swords and ray guns that inspired generations of SF enthusiasts. And, OF COURSE it included alien languages!
Travelers need new words, but borrow the old:
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http://erbatlas.virtualave.net/index.shtml maps of Mars(Barsoom) and more
CONJECTURES ON EVOLUTION
OF A COMMON LANGUAGE
AND YES, the Galactic Phrasebook now includes BARSOOM!