This sub-series focuses on Klenz's unpublished manuscript, "Elements of Music Theory," written in 1960. It contains notes prepared by Klenz during the writing process, as well as earlier and revised versions of the book. The four versions of the book are filed separately, each with page numbers included in the description.

This sub-series focuses on Klenz's unpublished manuscript, "Elements of Music Theory," written in 1960. It contains notes prepared by Klenz during the writing process, as well as earlier and revised versions of the book. The four versions of the book are filed separately, each with page numbers included in the description.

This sub-series focuses on Klenz's unpublished manuscript, "Elements of Music Theory," written in 1960. It contains notes prepared by Klenz during the writing process, as well as earlier and revised versions of the book. The four versions of the book are filed separately, each with page numbers included in the description.