III · Science
Usborne World of Knowledge Encyclopedia
Subjects
General encyclopaedias · Natural history & pets · Children: Grades 3-4 · Children's 9-12 - Reference · Children's Books/Ages 9-12 Nonfiction · Science
Language
ENG
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![Cover of [William Wheeler Hubbell, authorized to apply for patents.] by United States. Congress. Senate. Committee on Patents](https://covers.openlibrary.org/b/id/10200621-M.jpg)
