Important Shaker Collection (36 hymns) from "Millenial Praises<" Gospel Hymns, 1813. www.passtheword.org/SHAKER=MANUSCRIPTS/Millennial-Praises/mpraisesndex.htm
Millennial Praises

Shaker Manuscripts on-line: Shaker MSS

Shaker Manuscripts at Hancock Shaker Village, Pittsville, Mass., complete list of titles here- Shaker MSS
http://www.hancockshakervillage.org/pdf/volume_2_unbound_shaker_manuscripts.pdf

Mother Ann's Song (Ann Lee): Mother Ann Lee

In Yonder Valley, Simple Gifts (and other songs): Songs
Scroll down to bottom for lyrics.

Folkinfo.org has a few lyrics, with analyses.
The World I Have Forsaken: World Forsaken
O Ho the Pretty Chain: Pretty Chain"

The Patterson book (see Greenhaus, above) is excellent. It also was reprinted in paperback by Dover. Used copies from about $10.

"Millennial Praises" I can find only in 1st and 2nd editions, for $200-$300; no reasonably priced reprints here.