Currently arriving on Archive.org, a run of Astounding Science Fiction 1930-1960 made via microfilm reels rather than as fan-scans.
These are in open public PDFs in a complete run and, since they come from microfilm, may perhaps offer better-quality OCR of stories than other scans? Although they look fairly rough in places…
Here’s Astounding alerting readers to a Lovecraft special-issue of Fresco, 1958…