Geistliche Lieder, 1543
harmony by J. S. Bach
Blue hymnal. Both are unison.
These public domain scores are SATB. You still can use them. And, if the conductor wants harmony, you will be prepared. You know the Bach harmony, right? That’s what the organ will be playing.
Take Up Your Cross – G801
text by Charles W Everest (1814-1877)
The Glory of These Forty Days – G481
text by St. Gregory the Great (540-604)
translated by Maurice F Bell (1852-1947)