Leonora Cohen Rosenfield, 72, a professor of French at the University of Maryland for 33 years and the author of several books and articles, died of sepsis Jan. 15 at George Washington University Hospital. She lived in Washington.

Dr. Rosenfield was a native of New York City and a 1930 graduate of Smith College. She earned a diplome superieur at the Sorbonne in 1931 and a doctorate in French civilization at Columbia University in 1940.

She moved to Washington in 1942. During World War II, she was a research investigator with a Senate investigating committee.

In 1947, Dr. Rosenfield joined the faculty of the University of Maryland, where she was a professor of French literature, civilization, and culture. She retired in 1980 and was named professor emeritus.

She was the author of two books, "From Beast-Machine to Man-Machine," published in 1940, and "Portrait of a Philosopher: Morris R. Cohen in Life and Letters," published in 1962. She contributed articles on French culture, the role of women, and American Indian culture to magazines and professional journals.

Dr. Rosenfield was a member of the Modern Language Association and the American Philosophical Association.

Survivors include her husband, Harry N. Rosenfield of Washington, and her daughter, Marianne R. Smigelskis of Chicago.