- Series: Scientific Mysteries Series Record # 39019
- Scientific Mysteries
- Scientific Mysteries: The Mystery of the Moon (1940) [ES] by Joseph J. Millard
- Scientific Mysteries: The Fate of the Mammoth (1940) [ES] by Joseph J. Millard
- Scientific Mysteries: Bomb Sight of the Gods (1940) [ES] by Joseph J. Millard
- Scientific Mysteries: (Lightning) (1941) [ES] by Joseph J. Millard
- Scientific Mysteries: (Mystery of Size) (1941) [ES] by Joseph J. Millard
- Scientific Mysteries: The Pyramid of Gizeh (1941) [ES] by Joseph J. Millard
- Scientific Mysteries: Earth's Amazing Atmosphere (1941) [ES] by Joseph J. Millard
- Scientific Mysteries: Plants That Think (1941) [ES] by Joseph J. Millard
- Scientific Mysteries (Amazing Stories, June 1941) (1941) [ES] by Joseph J. Millard
- Scientific Mysteries (Amazing Stories, July 1941) (1941) [ES] by Joseph J. Millard
- Scientific Mysteries: (Unknown Life Forms) (1941) [ES] by Joseph J. Millard
- Scientific Mysteries: Ancient Gondwanaland (1941) [ES] by L. Taylor Hansen
- Scientific Mysteries: Mystery of Life (1941) [ES] by Joseph J. Millard
- Scientific Mysteries: Mystery of the Matto Grosso (1941) [ES] by Joseph J. Millard
- Scientific Mysteries: Votan, the Clever Builder (1941) [ES] by L. Taylor Hansen
- Scientific Mysteries: (Unknown Animals) (1942) [ES] by Joseph J. Millard
- Scientific Mysteries: The Spider Totem (1942) [ES] by L. Taylor Hansen
-
Scientific Mysteries: Vanished Civilizations (1942) [ES]
by
Joseph J. Millard
also appeared as:
- Variant: Vanished Civilizations (1956)
- Scientific Mysteries: The Sea Serpent (1942) [ES] by Joseph J. Millard
- Scientific Mysteries: The Lost Race of Illinois (1942) [ES] by Robert Moore Williams
- Scientific Mysteries: Mystery of Man's Migrations (1942) [ES] by L. Taylor Hansen
- Scientific Mysteries: The White Race—Does It Exist? (1942) [ES] by L. Taylor Hansen
- Scientific Mysteries: The White Race - Does It Exist? (1942) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Mystery of Man's Color (1942) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Mystery of Neanderthal Man (1942) [ES] by L. Taylor Hansen
- Scientific Mysteries: How Old Is Mankind? (1942) [ES] by L. Taylor Hansen
- Scientific Mysteries: Did the American Indian Once Invade Europe? (1942) [ES] by L. Taylor Hansen
- Scientific Mysteries: Riddle of the African Bushman (1942) [ES] by L. Taylor Hansen
- Scientific Mysteries: Mystery of Earth's Rift Valleys (1943) [ES] by L. Taylor Hansen
- Scientific Mysteries: Mystery of Earth's Long-Headed Races (1943) [ES] by L. Taylor Hansen
- Scientific Mysteries: Totem of the Eagle (1943) [ES] by L. Taylor Hansen
- Scientific Mysteries: Who Were the People of the Dragons? (1943) [ES] by L. Taylor Hansen
- Scientific Mysteries: What Do We Celebrate at Christmas? (1943) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Mystery Behind the Atlantic "Twins" (1943) [ES] by L. Taylor Hansen
- Scientific Mysteries: Mystery of Pan, Saturn and Amon-Ra (1943) [ES] by L. Taylor Hansen
- Scientific Mysteries: Does the Atlantic Hide a Sunken Land? (1943) [ES] by L. Taylor Hansen
- Scientific Mysteries: Mystery of the Megaliths (1943) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Mysterious Tuaraks (1943) [ES] by L. Taylor Hansen
- Scientific Mysteries: The American Dragon (1944) [ES] by L. Taylor Hansen
- Scientific Mysteries: Tracking Down the Dragon (1944) [ES] by L. Taylor Hansen
- Scientific Mysteries: Footprints of the Dragon (1944) [ES] by L. Taylor Hansen
- Scientific Mysteries: Ancient American Nations (1944) [ES] by L. Taylor Hansen
- Scientific Mysteries: Ancient Americans - The Aztecs and Toltecs (1944) [ES] by L. Taylor Hansen
- Scientific Mysteries: A Scientific Jig-Saw Puzzle (1945) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Mystery of the Natchez (1945) [ES] by L. Taylor Hansen
- The Turtle Totem (1945) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Black Tortoise (1945) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Bearded White Prophet (1946) [ES] by L. Taylor Hansen
- Scientific Mysteries: Where Was the War of the Wind God? (1946) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Ghost of the Venus Calendar (1946) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Ghost of Pan (1946) [ES] by L. Taylor Hansen
- Scientific Mysteries: Shadow of Ancient India (1946) [ES] by L. Taylor Hansen
- Scientific Mysteries: More Shadows of Ancient India (1946) [ES] by L. Taylor Hansen
- Scientific Mysteries: Totem of the Fish (1946) [ES] by L. Taylor Hansen
- Scientific Mysteries: Tribal Memories of the Navaho (1946) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Totem of the Wolf (1947) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Mystery of Apache Tradition (1947) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Totem of the Snake (1947) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Sun-Moon War (1947) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Empire of the Moon (1947) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Empire of the Sun (1947) [ES] by L. Taylor Hansen
- Scientific Mysteries: Untangling the Origin of the Nahuas (1947) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Atlantic Empire of the Quinames (1947) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Land of Maize (1947) [ES] by L. Taylor Hansen
- Scientific Mysteries: Fascinating Matto Grosso (1948) [ES] by L. Taylor Hansen
- Scientific Mysteries: Wherein the Stage Is Set for a Titanic Drama (1948) [ES] by L. Taylor Hansen
- Scientific Mysteries: Was There a Great Flood? (1948) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Degenerating Karibs (1948) [ES] by L. Taylor Hansen
- Scientific Mysteries: Totem of the Tiger (1948) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Mysterious Easterners (1948) [ES] by L. Taylor Hansen
- Scientific Mysteries: The City of the Seven Caves (1948) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Search for the City of Seven Caves (1948) [ES] by L. Taylor Hansen
- Scientific Mysteries: The Puzzling American Pageant (1948) [ES] by L. Taylor Hansen