Rabbit mark.- search – Robertson, Alexander W., USA.
Raby, Edward.- search – Doulton, Royal, plc, England.
Raby Edward.- search – Worcester, England.
Radeberg Dental Factory.- search – Hutschenreuther, Carl Magnus, Germany.
Radford, E.- search – Wood Ltd.,H.J., Burslem, England.
Radford, Thomas.- search – Derby Pot Works, England.
Radnor mark.- search – Hall Bros. (Longton) Ltd., England.