Missing pages of Onslow quintet part

[arizona]

Looking at the parts for the String Quintet No.15, Op.38 by George(s) Onslow, the entire first movement in the alto-violoncello part is missing -- how can I alert the contributor and try to find the movement, please?

Many thanks.

[KGill]

It was scanned by Det Kongelige Bibliotek, so you may want to contact them.

[arizona]

Thanks -- will do.