| Category | License | Title | Info | Download |
|---|---|---|---|---|
| OCAL | CC0 Public Domain | Book8 |  |  |
| OCAL | CC0 Public Domain | Book4 |  | |
| frame | CC0 Public Domain | the world around us head piece excerpt p385 unit viii sunflowers in sunlight |  | |
| cartoon | CC0 Public Domain | the world around us head piece excerpt p385unitviiithirstydeer |  | |
| cartoon | CC0 Public Domain | the world around us head piece excerpt p385unitviiithoughtfulmushrooms |  | |
| cartoon | CC0 Public Domain | the world around us head piece excerpt p347unitviiworldbeingwatchedkeenlyandcloselybyintelligencesgreaterthanmansandyetasmortala |  | |
| cartoon | CC0 Public Domain | the world around us head piece excerpt p347unitviicauldrona boiling |  | |
| cartoon | CC0 Public Domain | the world around us head piece excerpt p347unitviimotiveloco |  | |
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