Exhibited: Charlottenborg's Spring Exhibition 1927 no. 138. Charlottenborg's Autumn Exhibition 1933 nr. 55.

Bertha Dorph trained as a painter at private painting schools in the 1890s at, among others Georg Seligmann, Peter Ilsted and Harald Slott-Møller. Then, like many of the other female painters at her time, she went abroad to further her education. She spent a year in Berlin, where she learned to engrave at the Schinkel Academy. She made her debut under her maiden name Green at Den Frie Udstilling ( the Free Exhibition) in 1899. In 1900 she married the painter Niels Vinding Dorph (1862–1931). She continued her education both at home and in Italy, France and England. In 1916 she was a co-founder of and sat on the board of the Society of Female Artists (Kvindelige Kunstneres Samfund). In 1928 she became chairman of the School for Drawing and Applied Art for Women (Tegne- og Kunstindustriskolen for Kvinder), which had been established in 1876. In 1929–21, Dorph painted a portrait of her older artist colleague and namesake Bertha Wegmann.