47 Corvette brochures (from C1 to C4), followed by several issues of the "Corvette News", said to be the "The Corvette owners' magazine".
Available for free download here⁽¹⁾:
https://www.gmheritagecenter.com/gm-heritage-archive/historical-brochures.html#Corvette-Historical-Brochures
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(1): as said on the page:

GM Historical Brochures
The pamphlets below come from the files of the GM Heritage Center archive. They represent a small but varied sample of the types of documents, pamphlets and automobilia preserved by General Motors. We are pleased to provide the items on this page to download free of charge.