Text in periodical Hayman, R.I.P. – «On the way». – Musicworks. – No. 56 (Fall 1993). – P. 24-27.
Text in periodical Monahan, Gordon. – «Sound asleep : dreaming of music». – Musicworks. – No. 38 (Spring 1987). – Interview with R.I.P. Hayman. – P. 24-26.