Just to start things off.
Ferling Studies
Barret Oboe Method
Gillet - Studies for Advanced Teaching & A Practical Method
Andraud's Practical and Progressive Oboe Method
Rubank Intermediate Method
Rubank Advanced Method
Henri Brod: Etudes et Sonates Vol.1
Henri Brod: Etudes et Sonates Vol.2
Ferling Studies
Barret Oboe Method
Gillet - Studies for Advanced Teaching & A Practical Method
Andraud's Practical and Progressive Oboe Method
Rubank Intermediate Method
Rubank Advanced Method
Henri Brod: Etudes et Sonates Vol.1
Henri Brod: Etudes et Sonates Vol.2