[4] Kingsley eventually earned a PhD in art history at the Graduate Center of the City University of New York.
[7] In 1989, her essay "Abstract Expressionism in Context" was included in the book Three Hundred Years of American Paintings from the Montclair Art Museum Collection.
[10] In 2013, she published Emotional Impact, which discussed her involvement with the traveling exhibitions hosted by the Western Association of Art Museums during the 1970s.
[11] In addition to her early support for the abstract- and figurative-expressionism movements, Kingsley launched a major traveling exhibition called “Afro-American Abstraction” which turned the spotlight on a number of African-American artists including Jack Whitten, Melvin Edwards, and Edward Clark, among others.
[13] Her presence in and influence on the art worlds in New York City and Cape Cod, Massachusetts, impacted the careers and legacies of many notable artists, such as Mary Shaffer, Sandy Skoglund, Franz Kline, Mark Rothko, Willem de Kooning, Adolph Gottlieb, Michael Loew, Arturo Alonzo Sandoval, and Boaz Vaadia.
"[4] Kingsley's papers from the 1960s until 2017 are stored at the Archives of American Art research centre within the Smithsonian Institution.