The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
The Old Palace. Hatfield House. Home of the Marquess of Salisbury. ABC Historic Publications
The Old Palace and Hatfield House. Home of the Marquess of Salisbury. A. B. C. Historic Publications. 1995
The Old Palace and Hatfield House. Home of the Marquess of Salisbury. ABC Historic Publications
Hatfield House. The Great Hall. Old Palace. Home of the Marquess of Salisbury. Unichrome of Bath
The Old Palace. Hatfield House. Home of the Marques of Salisbury. ABC Historic Publications
Hatfield House. The Old Palace. Historical Great Hall. J. Arthur Dixon Ltd
The Grand Review of Troops at Hatfield by King George III At Hatfield House. Home of the Marquess of Salisbury. ABC Historic. Dunstable. Bedfordshire
Hatfield House and the Old Palace of Hatfield. Aerofilms