Part 1: Establishment of the Vox Humana stop in pipe organ building. Some historical observations
Chapter 1. In search of an appropriate name: Consolidation of the Vox Humana designation
Chapter 2. From the Fiffaro to the Voce Umana: Beating stops in the Italian and Sicilian organ building tradition
Chapter 3. The Vox Humana in Lithuanian baroque pipe organs
Part 2: From Italy to Lithuania: The Casparini Dynasty and consolidation of Lithuanian baroque organ building
Chapter 4. Over two centenaries of Caspari(ni) activity: From North to South
Chapter 5. Following the activity of Lithuanian late-Baroque organ builders
Part 3: Creating the Vox Humana's variety of sounds
Chapter 6. Characteristics of the Vox Humana's resonator Construction
Chapter 7. Observations on metal alloy and types of tongue and shallot in Lithuanian baroque pipe organs
General conclusions: The discoveries continue.