P. A. Johnson

• Duke Richard of York 1411-1460 (Oxford Historical Monographs)
• Duke Richard of York, 1411-1460
• Electron Data Log
• Darkness Descending
• Fantasy Town 1
• Fantasy Town 2
• Fantasy Town 3
• Soils in Derbyshire
• Soils in Derbyshire I
• Soils in Nottinghamshire II