Project Blue Book Indexes, 1947–1969: A Public-Domain, Digitized Archive of UFO Sightings on Internet Archive
To the point
It’s a digital, public-domain collection of Project Blue Book sighting indexes from 1947–1969, scanned from redacted and unredacted microfilm, digitized by Isaac Koi, hosted on the Internet Archive, about 825 MB in size, and available in multiple formats (including print-friendly options) with Paul Galante listed as the uploader.
