Below are a few links to document you may wish to review

Books on topics we currently studying on our Morning Sunday Service - "Worship - a man after God's own heart"  Psalms - 1st book - 1-41 - an expository study

Psalms - volume 1  "Teach the Text" C. Hassell Bullock 

Psalms - volume 1, Kregel Exegetical Library - Allen Ross

Exploring Psalms - volume 1 - John Phillips

C.H./ Spurgeon's Treasury of David, volume 1

LOGOS Bible 

 Online Resources