Just searching the internet a few weeks ago and came across in the archives of this magazine(No Depression)  issue #63-May/June 2006 with 2 articles of Buck.  You can order the issue.  The site also has other news and articles online of other artists pertaining to Americana and Country music.

http://www.nodepression.com/archives.aspx?id=67

This issue has two Buck articles:

Buck Owens: Farther Along by Rich Kienzle

AND

Buck Owens: A final conversation by Laura McCorkindale(this one is acknowledge by the Owens family as being Buck's last interview).....this is really a great interview.....covers alot...from why he built the Crystal Palace, what drove him to suceed in music and business, his relationships with Don Rich and Dwight Yoakam and the new music, the album he was working on ....just a dang good interview all around.