Kozier & Erb's Fundamentals of Nursing : concepts, process and practice by 
Medical-Surgical Nursing by 
Fundamental Concepts and Skills for Nursing by 
Nursing Theorists and Their Work by 
Health Assessment Made Incredibly Visual! by 
Documentation in Action by In order to find the articles regarding a particular theory or theorist, use CINAHL
In order to find articles about your theorist, the easiest thing to do is to select all databases in EBSCO and put your theorist's name in the first search box with an asterisk * next to the name. To create the *, hold shift + 8. The reason you should do this, is it will include anything involving your theorist's name.
Here are major nursing theorists that you can research:
Click on the links below to go to websites full of information regarding the particular theorist: