Public domain
Ada, Countess of Holland, playing the harp during captivity on Texel in 1203
From the collection of Rijksmuseum, Amsterdam. Free to download, adapt and use — no permission needed.
Credit lineAda gravin van Holland speelt op harp tijdens gevangenschap op Texel in 1203. 1776 - 1824. Johannes Christiaan Bendorp. Rijksmuseum, Amsterdam. Public domain.