Book 2. Composed by Marguerite Wilkinson and Katharine Hart. Series; String – Viola Studies or Collection. Faber Edition. Book. Faber Music #12-0571512941. Published by Faber Music (AP.12-0571512941).
Book 1. Composed by Marguerite Wilkinson and Katharine Hart. Series; String – Viola Studies or Collection. Faber Edition. Book. Faber Music #12-0571512933. Published by Faber Music (AP.12-0571512933).
Book 3. Composed by Marguerite Wilkinson and Katharine Hart. Series; String – Viola Studies or Collection. Faber Edition. Book. Faber Music #12-057151295X. Published by Faber Music (AP.12-057151295X).