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Elementary Science by Grades Book Four: A Nature Study and Science Reader (1929)

Persing, Ellis C., Wildman, Edward E. · D. Appleton and Company · leaf 20

Science · Ants · Wasps · Turtles · Crayfish · Trees · Mushrooms · Birds · Beavers · Muskrat · Bears · Milky Way · Balloons · Water · Windmills · Kites

Internet Archive · National Library of Education · Public domain (published before 1931). Free to use for anything.

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