Filtering by: Source Collection ollie harrington collection and papers Remove constraint Source Collection: ollie harrington collection and papers File Format image/tiff Remove constraint File Format: image/tiff Place (Topic) angola Remove constraint Place (Topic): angola Subject extraterrestiral beings Remove constraint Subject: extraterrestiral beings Time Period (Topic) 1980s (1980-1989) Remove constraint Time Period (Topic): 1980s (1980-1989)