The following conservation and restoration report by Zsolt Hidasi details his excellent work on a mid-19th century London-made Erard...

The linked article is an expanded version of the paper Robert Adelson read at the conference “The Early Pedal Harp as a Museum Artefact,”...

The linked document (click on the image) is a transcription of the Erat Company's harp sales (21 February 1821 - 29 June 1824), taken...