When I was a bit more fanatic about collecting records of a certain artist who were on EMI (and related labels) I quickly learned about how EMI's labels worked and it all seemed very clear: catalog numbers starting with 5C means The Netherlands, 1A is either The Netherlands or Europe (in the 1980s), 5A and 1C are Germany, 4C is Belgium, 2C France, and so on, like mentioned on this page in the Discogs reference site . So I thought that it would be trivial to cross reference EMI label numbers and countries in Discogs to see if they would match and clearly see if anyone would have entered the wrong data and then rightfully scold them for it. But reality turns out to be a bit more complicated than anticipated. What I did is that I looked at all the releases where the catalog number starts with either "5C" or "5c" and checked if the country is The Netherlands. I could find a bit over 6400 releases from the Netherlands: Distribution of Dutch releases with EMI ...
A blog dedicated to two of my hobbies: vinyl records and digital data and exploring where the two intersect. This blog is not affiliated with Discogs, but uses a lot of its data. On Discogs you can find me as metalmijn. I also get a lot of help from a friend you can find on Discogs as gerjolp Check out my Discogs cleanup scripts at: https://github.com/armijnhemel/cleanup-for-discogs/