史提潘 ． 圖諾夫斯&巴松管

Scores for basson is rare, and free on internet is quite unlikely to find.
Here is a good site selling many scores through internet, including bassoon music:
http://www.virtualsheetmusic.com/downloads/Indici/Bassoon.html

The first page is free so that you can print out. There are 40 songs available.