You can find many of the sources listed here, and others, on your own through a search engine. Follow some of these tips to find more sources:
- Search in the language if you can. While the webpage may be available in English, there is almost always more information in the original language.
- In Google, search the country-level domain using "site:". For example, to search the Russian internet you would search "site:.ru"
- Search using Yandex or a popular search engine from the country.
- In Google, search larger websites for PDFs or other files using "filetype:". For example, to search for PDFs on the Russian government site you would search: "site:government.ru filetype:pdf"