- Plants -- Encyclopedias, Juvenile
- United States -- History -- Revolution, 1775-1783 -- Encyclopedias, Juvenile
- Social movements -- United States -- History -- Encyclopedias, Juvenile
- Mythology, Classical -- Encyclopedias, Juvenile
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- United States -- History -- Encyclopedias, Juvenile
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- Federal government -- United States -- History -- Encyclopedias, Juvenile
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- West (U.S.) -- Encyclopedias, Juvenile
- Industrial revolution -- United States -- History -- 19th century -- Encyclopedias, Juvenile
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- Ponies -- Encyclopedias, Juvenile