1. Access Points

To find sources on a topic, keyword searching is usually your best bet. To find a specific source though, you should take advantage of different, more specific searches that you can do. Different research tools will let you search for items using different access points.
screenshot of the OSU Library catalog search screen, showing access points

This image shows some common access points for finding academic information sources: 


journal title 

unique numbers (like the ISBN or ISSN)