topic

• Tenors (Singers)1

name

• Bader, Carl Adam, 1789-18701
• Muller, Joseph, 1877-19391
• Schoppe, Julius, 1795-18681

collection

• Joseph Muller collection of music and other portraits1

genre

• Portraits1

publisher

• Gebr. Gropius1

division

type

• still image1