DescriptionArchaeology Anthropology and Interstellar Communication.pdf Douglas A. Vakoch (2014) Archaeology, Anthropology, and Interstellar Communication, NASA...
Authority file OCLC: 65289277 Source Internet Archive identifier: nature801909lock https://archive.org/download/nature801909lock/nature801909lock.pdf...
recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Annual_record_of_science_and_industry_(IA_annualrecordofsc1873bair).pdf...
United States//commons.wikimedia.org/wiki/File:Ad-em-nel-la;_an_Indian_legendary_love-story_in_verse,_and_other_poems_(IA_ademnellaanindia00hursiala).pdf...
United States//commons.wikimedia.org/wiki/File:Ad-em-nel-la;_an_Indian_legendary_love-story_in_verse,_and_other_poems_(IA_ademnellaindianl00hurs).pdf...