Columbia subject headings:
Industries--Missouri--Joplin.
Joplin (Mo.)--Description and travel.
Joplin (Mo.)--History.
Harvard subject headings:
Industries--Missouri--Joplin.
Joplin (Mo.)--Description and travel.
Joplin (Mo.)--History.
Princeton subject headings:
Industries--Missouri--Joplin.
Joplin (Mo.)--Description and travel.
Joplin (Mo.)--History.