Qawaid al Arbaa
-  Four Basic Principles of Tawheed – Text – by Shayk Muhammad Ibn ‘Abdul-Wahhaab – 4 Pages – [PDF]
-  Explanation of The Four Principles – by Shaykh al-Ghudayyaan – ALBaseerah.org
-  Readings in the Four Principles of Tawheed of Abdul Wahab – Part 1 to7 – by Shaikh Saalih al-Fawzaan[PDF]
- Explaining the Four Rules of Shirk – Shaik Abdul Wahab – Md Bin Abdir RahmnaAl Khumayyis – 24p [PDF]
-  The Four Principles Study Guide [PDF]
This study guide of 54 pages takes you through the text of “The Four Principles”. It consists of 16 units and has been designed such that one unit can be done in one week.
You will need Shaykh Saalih al-Fawzaan’s explanation of the book, published by Salafi Publications in English. You are expected to stick to the words of the Imaam Ibn ‘Abdil Wahhaab (the author) rahimahullaah and Shaykh Saalih al-Fawzaan (the explainer) rahimahullaah throughout, using their exact wordings.