Website: Trove, National Library of
Australia, Canberra, ACT, Australia:
(“Unidentified Flying Object”)
(“Unidentified Flying Objects”)
(UFO)
(UFOs)
(“Unidentified Object”)
(“Unknown Flying Object”)
(“Unknown Flying Machine”)
(“Flying Object”)
(“Flying Objects”)
(“Flying Saucer”)
(“Flying Saucers”)
(“Saucer In Sky”)
(“Saucers In Sky”)
(“Saucers In Skies”)
(“Saucer In Air”)
(“Saucers In Air”)
(“Flying Disc”)
(“Flying Discs”)
(“Disc In Sky”)
(“Discs In Sky”)
(“Flying Disk”)
(“Flying Disks”)
(“Object In Sky”)
(“Objects In Sky”)
(“Object In Air”)
(“Objects In Air”)
(“Mystery Object”)
(“Mystery Objects”)
(“Mystery Light”)
(“Mystery Lights”)
(“Mystery In Sky”)
(“Mysterious In Sky”)
(“Mysterious In Skies”)
(“Mysterious In Air”)
(“Strange In Sky”)
(“Strange In Skies”)
(“Strange In Air”)
(“Thing In Sky”)
(“Things In Sky”)
(“Airship Mystery”)
(“Mysterious Airship”)
(“Strange Airship”)
Trove is an online library database aggregator and free faceted search engine.
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(National Library of Australia/wikimedia.org image)