Those are my five ways for finding buried treasure online. But I can't leave you without saying that knowing what key words to type in is a necessary skill for locating what you want online. You'll freeze your keyboard with all the results the search engines will bring to you. Narrow your search. The more precise you can be in your requests, the better the results you'll get.
Search engines are robots.
They don't think. They simply look for what you tell them to look for. Give some thought to what you want before you start your search. Every good detective realizes that being clear about what you are looking for is half the battle. If you have some other tips for conducting online research, share them with me.