Beethoven, Ludwig van, 1770-1827. Quartet no. 10, E flat major for 2 violins, viola and violoncello, op.74, composed 1809 / revised from the original MS., with foreword by Wilhelm Altmann. - London : Eulenburg. - 1 study score $# UK-LoTVU - Edition Eulenburg ; no.22 . Study score. Publisher. No.: E.E.1122 Pl.no.