P. Leupen, Philip of Leyden, a fourteenth-century jurist. A study of his life and treatise 'De cura reipublicae et sorte principantis'

W. Ullmann
1983 BMGN: Low Countries Historical Review  
doi:10.18352/bmgn-lchr.2383 fatcat:kdtoau4hvffi3dtirdd4ojyodm