 Her designs draw from and incorporate classic Native American designs — specifically Navajo textiles or Plains parfleches, painted rawhide containers — while also aligning with the Art Nouveau and Bauhaus movements.Although she was active in the early decades of the 20th century when Native American art and Art Nouveau were making a parallel climb into mainstream fine art exhibitions, Sully was considered revolutionary in marrying these two genres.Susan Mable Deloria was born to father Tipi Sapa (Black Lodge), or Philip J. Deloria, and mother Mary Sully.