[fr] [Gutenberg 32963] • Portraits et souvenirs Hachette Livre Bnf
[en] [Gutenberg 3835] • Correspondence of Wagner and Liszt — Volume 1 Independently Published
[en] [Gutenberg 4234] • Correspondence of Wagner and Liszt — Volume 2 Independently Published
[en] [Gutenberg 3750] • Letters of Franz Liszt -- Volume 2 / from Rome to the End Scholar's Choice