 As Rosowski's career developed, her work focused more and more on Cather.In the peak of her career, her published book reviews and professional and community presentations most of which focused on Willa Cather numbered in the hundreds.Though her more than 70 scholarly essays explored authors such as Coleridge, Congreve, Sterne, Joyce, Eliot, and many writers of the American West, she largely trained her scholarly attention on Willa Cather.