Thorolf Holmboe (Norwegian, 1866–1935)

Louis Prang & Co. (American, 1824 – 1909)

Thorolf Holmboe (Norwegian, 1866–1935)

Selmar Bayer (German, 19th/20th century)

Anonymous

Thorolf Holmboe (Norwegian, 1866–1935)

Ole Christoffer Thorkelsen (Norwegian, 1870-1914)

Anonymous

Knut Ekwall (Swedish, 1843 - 1912)

Olaf Christoffer Mølbach (Norwegian, 1884-1943)

Johan Fahlstrøm (Norwegian, 1867 - 1938)

Selmar Bayer (German, 19th/20th century)

Birger Cranner (Norwegian, 1902 – 1945)

Halfdan Gran (Norwegian, 1869-1930)

H. Abel (Norwegian, 19th/20th century)