Lupophon da Wolf, una nuova e migliorata bass - baritono - baryton oboe, uno sviluppo della Heckelphone, con gamma estesa verso il basso a bass F. realizzato da Guntram Wolf di Kronach,
Tenor & Baritone Oboe | Michael Dollendorf - Early Music
Amazon.com: Eb ALTO Saxophone for Beginners and Students. Suitable for professional Clarinet and Oboe instrument player of Tenor, Soprano, Baritone. : Musical Instruments
Tenor & Baritone Oboe | Michael Dollendorf - Early Music
Lorée Model N+3 Baritone Oboe – RDG Woodwinds, Inc.