Theoria is an annual peer-reviewed journal on all aspects of the history of music theory. It includes critical articles representing the current stage of research, and editions of newly discovered or mostly unknown theoretical texts with translation and commentary. Analytical articles on recent or unknown repertory and methods are also published, as well as review articles on recent secondary literature and textbooks. Back issues are available from Texas A&M University Press.
Theoria Vol. 17 (2010) includes articles by John L. Snyder, Pitch and Pitch relationships in Musicae artis disciplina: Letter Notation, Species, and Contour theory; David Stern, Thomas Morley's View of the Importance of Modal Order in Renaissance Composition; and Irna Priore, Serialism in the 1950s:Berio's Approach. Stephen Slottow reviews Michiel Schuijer's Analyzing Atonal Music: Pitch-Class Set Theory and Its Contexts (University of Rochester Press, 2008).