A lot of people have been using our public, open APIs to collect data that might be related to COVID-19. This is great and we encourage it. We also want to make it easier. To that end we have made a free data file of the public elements from Crossref’s 112.5 million metadata records.
This is a companion discussion topic for the original entry at https://0-www-crossref-org.libus.csd.mu.edu/blog/free-public-data-file-of-112-million-crossref-records/