The American outlet Educator Encyclopedia Loose Leaf Extension, Vintage World Topics, Collection of Five Blue Hardcover Books, SecondMouseFinds

Vintage blue hardcover books with embossed covers
The American Educator outlet Encyclopedia Loose Leaf Extension
Five books in this set starting with Summer No. 85 copyright 1948 going through Spring No. 104 copyright 1953
Very nice vintage condition with some wear and a few bent pages, the metal fasteners in a couple volumes has made stains on some pages
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