Letter, [n.d], Barcelona, Joaquim Pena to Donald Tovey. Thanking Tovey on the behalf of the ' Orquestra Pau Casals ' for offering to do two concerts. Holograph signed.

Letter, 8 May 1925, Barcelona, Pablo Casals to Donald Tovey. Praising Tovey's written work, especially the preface, for piano, outlining forthcoming concerts in Barcelona and a hope that Casals may be able to play Tovey's concerto in the Autumn. Holograph signed.

Letter, 2 January 1935, Barcelona, Pablo Casals to Donald Tovey. Dates of Casals arrival, request that a Bach concerto be performed. Holograph signed.

Letter, 8 October 1933, Barcelona, Pablo Casals to Donald Tovey. Discussion of Tovey's concerto and the technique and effort required to master it. Holograph signed.

Letter, 3 April 1933, Barcelona, Pablo Casals to Donald Tovey. Discussing another performance of Tovey's Cello Concerto, hoping to meet Tovey in the near future and discussing a visit to Edinburgh. Holograph signed.

Letter, 18 February 1935, Barcelona, Pablo Casals to Donald Tovey. Suggesting Tovey should play a different Beethoven work at his recital. Holograph signed.

Letter, 5 April [1935], Barcelona, Pablo Casals to Donald Tovey. Informing Tovey that a piano is unavailable for a rehearsal. Holograph signed.

Letter, 15 March 1935, Barcelona, Pablo Casals to Donald Tovey. asking Tovey to send a corrected score to Casals and Arbos, the conductor, for the Madrid performance of Tovey's work on April 17. Holograph signed.

Letter, 9 October 1935, Barcelona, Pablo Casals to Donald Tovey. Wishing Tovey well and a note of Casals trip to London. Holograph signed.

Letter, 26 October 1936, Barcelona, Pablo Casals to Donald Tovey. Describing Casals annoyance at a cancelled performance. Holograph signed.