Matches in DBpedia 2014 for { ?s ?p Richard H. Hall (December 25, 1930 - July 17, 2009) was a leading Ufologist and proponent of the extraterrestrial hypothesis to explain UFO sightings; he also wrote books and articles dealing with the role of women in the American Civil War.. }
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- Richard_H._Hall abstract "Richard H. Hall (December 25, 1930 - July 17, 2009) was a leading Ufologist and proponent of the extraterrestrial hypothesis to explain UFO sightings; he also wrote books and articles dealing with the role of women in the American Civil War.".
- Richard_H._Hall comment "Richard H. Hall (December 25, 1930 - July 17, 2009) was a leading Ufologist and proponent of the extraterrestrial hypothesis to explain UFO sightings; he also wrote books and articles dealing with the role of women in the American Civil War.".