Polish-American medical doctor, sociologist and novelist
chronicled the experiences of Polish immigrants in America,

died Monday, January 15, 2010, of Parkinson's disease at her Ruxton home. She was 88.

Her first novel, "The House of the Old Lady," was published in London in 1958, the last, "Magda," in 2006.  Some of her novels included "Beyond the Water," ''The Third Value" and "Testaments."

Critics and scholars consider her major work to be her seven-volume Polish saga "America! America!" a historical narrative that chronicles a Polish family from 1863 to the present.

Her work was nominated in 2000 and 2006 for the Nobel Prize in literature.

She wrote novels in Polish only (see below why*). Here is the list of her works (incomplete) with the year of publishing:

• Nie zapomnij Paulino, 1956 r. 
• Dom starej lady, 1958
• Ameryko! Ameryko! 1961; 1981; 2004
• Asteroidy, 1965
• Olivia, 1965
• Ja za wodą, ty za wodą, 1972
• Odchodzą moi synowie, 1977; 1989
• The transplanted family. A study of social adjustment of the Polish immigrant family to The United States after The Second World War, 1980
• American families of East European heritage. A capitol seminar on the family sponsored by the American Family Institute, 1980
• Social dimenssion of family treatment, 1980
• Cień księdza Piotra, 1985; 2004
• Trzecia wartość. O formowaniu się nowej tożsamości polskiego emigranta w Ameryce, 1985; 1995
• Szmaragdowa zjawa, 1988; 2004
• Emgranci polscy w USA, 1991
• Przestrzeń życiowa rodziny. Ekologiczny model terapii rodziny w stanie kryzysu, 1992
• Tajemnica zwyciężonych, 1992; 2005
• Odkrywanie Ameryki, 1992
• Nie ma domu, 1996; 2005
• Testaments. Two Novellas of Emigration and Exile, 2005
• Ptaki, 2005
• Magda, 2006

Language Bridges Quarterly, issue # 21, Winter 1993/94, was devoted to Danuta's works in its entirety featuring excerpts from her novels with English translations.
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*Dr. Mostwin, who spoke only Polish at home with her husband, explained in a 1986 interview that "I've adopted a lot of the way of American living, but I remain European, foreign, because of my accent, because of my heritage. In a way, I want to preserve that difference."