COTTRAU MANUSCRIPTS. Vol. I A-V. Orchestral parts for the three-act version; bef. 1890. Autograph and copies, with corrections, partly bearing notes relating to performances at Florence, Karlsbad, Sondershausen, Bratislava, Timisoara, Rome, Livorno, and Cagliari from 1890 to 1903.
COTTRAU MANUSCRIPTS. Vol. XI H, I. Two synopses of 'Griselda', the second translated from Musical Opinion and Music Trade Review, xv, London, 1891-2; 1892, n.d. Printed.
COTTRAU MANUSCRIPTS. Vol. XI J, K. Producer's notebooks for 'Griselda', Acts I and II, relating to stage dispositions, costumes, etc., for the production at the Teatro Rossini, Venice, during carnival, 1877-1878.