Fingering Charts (including trills)

Fun Scale Exercises

Barret Articulation Exercises in Keys

Excerpts in Keys

IMSLP has a huge resource of solos and studies for oboe.  
There are also many orchestral parts available.

Oboe Solos

Studies and Etudes

IMSLP Website

Saint Saëns Oboe Sonata

Robert Huffman, oboe
Raffi Kasparian, piano
Recorded at Carnegie Mellon University

Brahms Intermezzo

(arr. Jennifer Sperry)

Robert Huffman, Oboe
Amanda Paine Jury, English Horn
Recorded at Brucker Hall, Ft. Myer, Virginia