Isaac Watts & Samuel Worcester 
Psalms, Hymns, and Spiritual Songs of the Rev. Isaac Watts, D. D [PDF ebook] 
To Which Are Added, Select Hymns, From Other Authors; And Directions for Musical Expression

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The Selection of Hymns from other Authors was, evidently made with his characteristic dis crimination of judgment and refinement of taste. The Key of Expression gave the whole work a peculiarity and a value, which have been justly appreciated.