Her portfolio includes black and white commercial, portrait, landscape, experimental, abstract, and documentary photography, with her work continuing to have an impact.
[4] The Photo League was an early center of American documentary photography in the post war years, with membership including many of the most significant photographers of the 20th century.
[18][19][20] During the summer of that year, "Moser travelled all along the St. Laurence River, from Montreal to Quebec City, then on to Charlevoix, the lower Saint-Lawrence and the Gaspé peninsula.
"[18] She then returned later in 1950, this time under assignment by Look magazine, to photograph "the inhabitants – everyday people, children, artists, storytellers, actors, lovers and more.
[citation needed] According to The New York Times, "Perhaps her most famous photograph, "Mimicry (Judy and the Boys)" (1961), began as a shoot for an aspiring model.
Her New York City photographs are an example of the variety and diversity of subjects that characterized Moser's work throughout her life; it includes dynamic portraits of the people of New York: prostitutes of both sexes, firefighters, police, street hustlers, tourists, actors, tourists, musicians, composers, celebrities, etc.
They include portraits of Leonard Bernstein, Charles Mingus, Judy Collins, Alexey Brodovitch, John Koch, Yousuf Karsh, and many others.