Authors: U-Uz

Brother Ugolino: 

• The Little Flowers of St.Francis of Assisi (CCEL)  

Underhill, Evelyn : 

• Mysticism: A Study in the Nature and Development of Spiritual Consciousness (CCEL) , RTF (CCEL) [1889K], html-zip (CCEL) [631K] 

Untermeyer, Louis, ed. 

• Modern British Poetry(Bartleby)1920 

Upham, Samuel Curtis:

• Notes of a Voyage to California via Cape Horn (HTML at LOC)

Urban I (Pope) -- Epistle (NewAdvent)