Musica muris i nurt spekulatywny w muzykografii średniowiecznej

Edition Of Musica Speculativa Secundum Boetium, By Johannes De Muris -- P. [169]-204. Elżbieta Witkowska-zaremba. Text In Polish, With Summary In English. Errata Slip Inserted. Edition Of Musica Speculativa Secundum Boetium, By Johannes De Muris (in Latin): P. [169]-204. Includes Bibliographical References (p. 249-263) And Index.