Locating primary source materials isn't difficult but you need to know where to look, how to search, and how to capture your images.
Watch this video from the folks at Common Craft to understand these two distinct source types.
Remember, primary source materials are literally artifacts from the past that have been preserved and are available to us now. Primary sources include:
Use the following key search terms: immigrants, immigration, anti-immigration, dates 1830-1900, and specific nationalities (e.g., Irish, Jewish, German, Chinese)