This guide will help you find secondary sources in history. Click the tabs to the left for details.
Secondary sources are the books, journal articles, and other materials that historians write by using primary source materials, such as contemporary newspaper or magazine accounts, memoirs, government documents, etc. For assistance with locating primary sources see this guide.
For more information on general library resources, see our tutorials.
What is PowerNotes?
PowerNotes is a browser extension that allows you to annotate and highlight PDFs and webpages that are relevant to your research. With PowerNotes, you’ll be able to gather, organize, and keep track of your research all in one place!
How Does PowerNotes Work?
As you are researching online, when you have PowerNotes enabled, you are able to highlight pertinent quotes, save resources as links you can return to later, have a template outline to organize the data you are saving, as well as manage your progress as you do your research.
How to Add PowerNotes to Your Internet Browser?
What is Lean Library?
A browser extension for access and assistance. You will spend less time figuring out if you have access to information and more time researching!
How Lean Library Works?
When you access an article on a journal’s website or through a Google Search, the Lean Library extension recognizes OU Libraries’ e-resources then provides you with a GET ACCESS button that will authenticate your OU credentials for full text access.
How to get Lean Library?
Open the download link and add the extension to your browser. Select University of Oklahoma from the dropdown menu and click on Save.