"Mahler: Symphonic Works
Complete Trumpet Parts, Volume II, Symphonies No. 4-6”
Published by International Music Co.

Released in June of 2005, Volume II of this three volume set includes the complete trumpet parts from Mahler Symphonies No. 4-6, along with practice sequences and performance discussion of primary passages from these works. Also included is a comprehensive German glossary for all of Mahler’s symphonic works, as well as a discography of Mahler Symphonies recorded by Mr. Sachs and the Cleveland Orchestra. This is the second of this three part series joining Volume I (including Symphonies No. 1-3) which was released in June 2004.

International Trumpet Guild Journal Review
March 2006:

http://www.trumpetguild.org/pdf/2006journal/200603MusicReviews.pdf