Recently I discovered a collection of songs, arranged with piano accompaniment. The book is a fine handwritten copy dedicated to a certain Mina Maassen. It is most likely that Gaude is the autor and also the person who wrote the book. Besides Mina Maassen is supposed to be a cousin. Theodor's mother was née Maaßen. One of these songs, Vergessen, was published by Schott/Mayence wth guitar accompaniment. In the The following picture shows the titel Mit Gefühl. (English, With Sentiment)