The document summarizes Ivor Armstrong Richards' influential works on literary theory and criticism. It discusses Richards' concept of the two uses of language - scientific and emotive. Richards analyzed how readers can misinterpret poems based on these different uses of language. The document also summarizes Richards' idea of the four kinds of meaning in literature - sense, feeling, tone, and intention. It provides an analysis of W.B. Yeats' poem "On Being Asked for a War Poem" to illustrate Richards' concepts. Overall, the document examines Richards' seminal contributions to literary theory and New Criticism.