This is a link to the incredibly confusing Athansian Creed that nearly all Christianity relies upon to define the Godhead. If you can make sense of it, you are smarter than I am.
This is an article that gives an overview of the psalms that can be helpful to understand as you read through the individual psalms.
This is an article that discusses parallelism in Isaiah that describes an important poetic form used in Hebrew and can be seen in both Job and the Psalms.