We have pieces in the following keys for Oboe:
1-20 of 141 Oboe Pieces in C major

Verdi
Anvil Chorus from Il trovatore

Saint-Saens
Royal March of the Lion from Carniv...
(subscription)

Schumann
Three Romances for Oboe, Op.94. No.1

Schumann
Three Romances for Oboe, Op.94. No.3

Bizet
Toreador Song from Carmen

Schubert
Andante

Faure
Pie Jesu

Brahms
Rhapsody Op.79 no.1
(subscription)

Mozart
Eine Kleine Nachtmusik Mvt 2 Romanc...
(subscription)

Handel
Harmonius Blacksmith

Sullivan
Tit Willow (Mikado Act 1)

Schubert
Ave Maria

Tchaikovsky
Waltz from Sleeping Beauty

Tchaikovsky
Dance of the Flowers from the Nutcracker

Handel
Where er you walk

Tchaikovsky
Theme from Piano Concerto No.1

Schubert
Am meer

Maurice Greene
Trumpet Tune

Trad.
Golden Slumbers

Delibes
Flower Duet from Lakme