Book 2. By Various. (Horn). Boosey and Hawkes Chamber Music. Published by Simrock.

(A Follow Up Course for Individual or Like-Instrument Class Instruction) Written by J.E. Skornicka, R. Erdman. Instructional book for F french horn, Eb alto horn and mellophone. With instructional text, standard notation and fingerings. Series: Rubank Educational Library, No. 90. 48 pages. Published by Hal Leonard.