books

Books about Ettler:

booksTapiola. Tondichtung für grosses Orchester. Op. 112. Partitur, etc. (Revised and edited by Carl Ettler.) by Jean Sibelius (1926)

booksTapiola. Tondichtung für Orchester. Op. 112. (Revised and edited by C. Ettler.) Partitur by Jean Sibelius (1935)

wiki

Wiki information Ettler:

Justine Ettler
Author, Person