This page has resources specific to research assignments in certain sections of ENG 1000!
Remember, it's okay to look to a source like Wikipedia to learn the basics about the country and its history, but instead of citing Wikipedia, use what you learned to find better sources.
Iran has used different names at different periods. If you're searching for information about before or after the revolution, use the specific name for the country during that time period for more success.
When you want to learn more about a topic, like culture, consider what that means. What specific elements of culture are you most interested in? Try searching for those more specific terms for better search results.
When searching, also include terms that are similar to the one you have in mind. In Advanced Search you can actually type OR in all capital letters between words to tell the database you would accept results with any of these words.
Below are a few ebooks about the history of Iran that may be useful. Look at the table of contents and use "search within" tools to find specific topics.