Under Ludwik Krzywicki, she expanded her knowledge of Jewish rituals and folk literature and began to publish in Poland's leading journals of anthropology, Wisła, and Lud.

[3] To earn a living, she taught writing in Yiddish and arithmetics at a cheder in Piaseczno (1903/1904), where she also conducted field study for her book The Jewish Child (1904).

[3] Her focus shifted from contemporary Jewish culture to historical customs and rituals, which she studied from German and Russian translations and the Yiddish Talmud.

Święta żydowskie w przeszłości i teraźniejszości (Jewish Holidays, in the Past and Present, 1909—1918) was published by the Academy of Learning (Akademia Umiejętności) in Krakow.

She demonstrated the evolution of the rites of the leading Jewish pilgrimage days (Pesach, Sabbath, and Sukkoth), the religious holidays of Rosh Hashanah and Yom Kippur, and Hanukkah and Purim, which she linked to events associated with nature.