On Christ, the solid Rock, we stand; all other ground is sinking sand.
Lucas Cranach the Elder, Law and Gospel, Herzogliches Museum, Gotha, Germany
Lucas Cranach the Elder, Law and Gospel, Herzogliches Museum, Gotha, Germany

Articles on Church Art:

A Defense of Beauty: Lutherans and Church Art

Cranach and Luther

Early Church Architecture
The earliest Lutheran churches took a variety of forms, yet all display a commitment to the gathering, the centrality of Sacramental life — Holy Baptism and the Lord’s Supper — and the authority of Scripture.

Links:

Cranach Digital Archive