Arthur Waldeck (1899-1965) was a New York-based voice teacher. The collection consists of Waldeck's letters to and from renowned music theorist Heinrich Schenker (1868-1935) as well as Waldeck's translations into English and heavily annotated copies of Schenker's works, written and published in German.
What you see here is only what is viewable online; in most cases it is only a small portion of what is available. Please visit the finding aid to access a detailed description of the collection.