The Languages of Criticism and the Structure of Poetry

These vigorous lectures deal with some of the many ways in which the question of structure in poetry (here synonymous with the whole range of artistic creation in words) can be discussed. Criticism has never been, Professor Clare argues, a single discipline, but a collection of more and less distinct conceptual "languages," within any one of which a literary problem takes on a special solution. 

The Alexander Lectures for 1952.

R.S. Crane (1886-1967) was  a literary critic, historian, bibliographer, and professor. He is credited with the founding of the Chicago School of Literary Criticism.