By John G. Mortimer. For trombone. Swiss import. Instructional Methods; Etudes. Level: 4-4 . Instructional method. Published by Editions Marc Reift. (EMR 143)
By John G. Mortimer. For trombone. Swiss import. Instructional Methods; Etudes. Level: 3 -4. Instructional method. Published by Editions Marc Reift. (EMR 141)
By John G. Mortimer. For trombone. Swiss import. Instructional Methods; Etudes. Level: 3-3 . Instructional method. Published by Editions Marc Reift. (EMR 139)
By John G. Mortimer. For trombone. Swiss import. Instructional Methods; Etudes. Level: 2 -3. Instructional method. Published by Editions Marc Reift. (EMR 137)
By John G. Mortimer. For trombone. Swiss import. Instructional Methods; Etudes. Level: 1-2. Instructional method. Published by Editions Marc Reift. (EMR 133)
Romance Trombone [Conducteur et Parties séparées] Editions Marc Reift (Swiss import)
By Carl Maria von Weber. Arranged by John G. Mortimer. For trombone and brass band. Swiss import. Original Composition. Level: 4. Score and parts. Published by Editions Marc Reift. (EMR 1412)
Morceau Symphonique Trombone [Conducteur et Parties séparées] Editions Marc Reift (Swiss import)
By Felix Alexandre Guilmant. Arranged by John G. Mortimer. For trombone and brass band. Swiss import. Original Composition. Level: 4. Score and parts. Published by Editions Marc Reift. (EMR 1706L)
Concerto Trombone [Conducteur et Parties séparées] Editions Marc Reift (Swiss import)
By Nikolay Andreyevich Rimsky-Korsakov. Arranged by John G. Mortimer. For trombone and brass band. Swiss import. Original Composition. Level: 4. Score and parts. Published by Editions Marc Reift. (EMR 1398)
Concertino Trombone [Conducteur et Parties séparées] Editions Marc Reift (Swiss import)
By Ferdinand David. Arranged by John G. Mortimer. For trombone and brass band. Swiss import. Original Composition. Level: 4+. Score and parts. Published by Editions Marc Reift. (EMR 1404A)
Concertino (F-Dur) Trombone [Conducteur et Parties séparées] Editions Marc Reift (Swiss import)
By Ernst Sachse. Arranged by John G. Mortimer. For bass trombone and brass band. Swiss import. Original Composition. Level: 4+. Score and parts. Published by Editions Marc Reift. (EMR 1881)
Concertino (B-Dur) Trombone [Conducteur et Parties séparées] Editions Marc Reift (Swiss import)
By Ernst Sachse. Arranged by John G. Mortimer. For trombone and brass band. Swiss import. Original Composition. Level: 4+. Score and parts. Published by Editions Marc Reift. (EMR 1882)