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Subjects

13 results found
Subject Heading(Inventions -- United States)
    Inventions--United States.
    42
    Library of Congress subject headings
    Inventions--United States--Encyclopedias.
    1
    Library of Congress subject headings
    Inventions--United States--History
    15
    Library of Congress subject headings
    Inventions--United States--History--18th century.
    1
    Library of Congress subject headings
    Inventions--United States--History--19th century.
    6
    Library of Congress subject headings
    Inventions--United States--History--20th century.
    2
    Library of Congress subject headings
    Inventions--United States--History--Juvenile literature.
    2
    Library of Congress subject headings
    Inventions--United States--Information services--Directories.
    1
    Library of Congress subject headings
    Inventions--United States--Management.
    1
    Library of Congress subject headings
    Inventions--United States--Marketing--Handbooks, manuals, etc.
    1
    Library of Congress subject headings
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