There are three main ways scholars discover archival materials:
Google is also an excellent tool for locating archives and archival materials. In your search, try including keywords like "archive" or "papers" with a personal name, organization, or event you are researching.
Planning ahead is crucial for conducting research in the archives. Consider these tips to make your visit to the archive successful.
Tutorials & Publications on using archives
Historians often use official documents created by governing institutions. Some countries maintain a central, national archive or library that houses these and other important documents. Consider if the materials you need are kept in these national institutions. They might even provide online access to digital copies of some of their most popular and important materials.