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- When dinosaurs ruled, the Mesozoic era, Jean F. Blashfield with Richard P. Jacobs
- England, by Jean F. Blashfield
- Carbon, by Jean F. Blashfield
- When life flourished in ancient seas, the early Paleozoic era, Jean F. Blashfield with Richard P. Jacobs
- Shirley Temple Black, actor and diplomat, Jean F. Blashfield
- Blashfield, Jean F, Prehistoric North America
- Ireland, by Jean F. Blashfield
- Sulfur, by Jean F. Blashfield
- Magnesium, by Jean F. Blashfield
- Blashfield, Jean F, Sparks of life
- When ice threatened living things, the Pleistocene, Jean F. Blashfield with Richard P. Jacobs
- When land, sea, and life began, the Precambrian, Jean F. Blashfield with Richard P. Jacobs
- Horse soldiers, cavalry in the Civil War, by Jean F. Blashfield, [Wallace B. Black]
- Cartier, Jacques Cartier in search of the Northwest Passage, by Jean F. Blashfield
- Greenland, by Jean F. Blashfield
- Oxygen, by Jean F. Blashfield
- Hydrogen, by Jean F. Blashfield
- Haiti, by Jean F. Blashfield