[2] Relang began working for Vogue in 1938, publishing photographs in the French, American, and British editions.
[3] Her work was also regularly used in Die Dame, Madame (magazine), Harper's Bazaar, Film und Frau, and Constanze.
Over the course of her career, she photographed the women's fashion of Christian Dior, Pierre Cardin, and Yves Saint-Laurent and reported on haute couture shows from Paris and Rome.
[4] Models photographed by Relang include Jean Patchett, Linda Morand, Ina Balke, Isa Stoppi, Elsa Martinelli, Simone D'Aillencourt, and Suzy Parker.
Relang was awarded the Federal Cross of Merit in 1972 and the David Octavius Hill Medal in 1973.