For those singers interested in pursuing Art Song, Lieder or the Melodie, I would strongly recommend referring to the following website for reliable translations and information on the poetry and music:

http://www.recmusic.org/lieder/

The website has proven useful for me on many ocassions and has helped to really begin to understand the meaning and interpretation of the often complex texts used in the art song repertoire.

I do hope you find it as useful as I have.