In 1930, she published A catalog of 2778 nebulae including the Coma-Virgo group, which identified 214 NGC and 342 IC objects in the area of the Virgo cluster. En 1930 elle publia A catalog of 2778 nebulae including the Coma-Virgo group qui identifiait les objets de 214 NGC et 342 IC dans l'Amas de la Vierge.