The document provides an overview of several modernist American authors and literary movements from the early 20th century. It discusses the styles and most famous works of authors like T.S. Eliot, Ezra Pound, William Carlos Williams, and Hilda Doolittle during the modernism period. It also summarizes transcendentalism and some of its key figures like Ralph Waldo Emerson and Henry David Thoreau, as well as literary realism and romanticism in American literature.