A manuscript book entitled 'Twelve short pieces for piano and two hands', comprising ink scores of the following:. (I). Caprice no. IX in F sharp major, op. 206. 17 April 1930. (Ii). Caprice no. X in C sharp major, op. 207. 18 April 1930. (Iii). Ballade no. XI in F sharp minor, op. 208. 20 April 1930. (Iv). Study no. IX in E minor, op. 215. 9 June 1930. (V). Ballade no. XII in C sharp minor, op. 216. 9 June 1930. (Vi). Study no. X in D flat major, op. 225. 11 October 1930. (Vii). Study no. XI in E flat minor, op. 226. 17 October ?1936. (Viii). Study no. XII in E minor, op. 227. 26 October 1930. (Ix). Study no. XIII in F sharp minor, op. 228. 1 November 1930. (X). Study no. XIV in F sharp major, op. 229. 1 November 1930. (Xi). Study no. XV in G minor, op. 231. 3 November 1930. (Xii). Study no. XVI in C sharp major, op. 234. 19 November 1930.