A selection of databases that will be useful for you for your research in this class. You can find sources about ethnic nationalism in each of them.
Below are some databases with international news coverage. The majority of content in each of them is in English. It can be useful to limit your search to news coming from a particular region or country. You can also limit by date to see the most recent articles.
You can also search the web for more news sources. E.g., search Google for 'newspapers Poland' to find publications from that country.