Source Persons Title Role Maartje Stols-Witlox other Malepeyre, M.F., Riffault, J.R.D.A., Vergnaud, Toussaint author Records Title Page(s) in source 15th. Silver white or light white. 127 16th. Testing the purity of white leads. 127-134 1st. Kremnitz process. 59-63 Holland or Dutch process 63-72 The French or Clichy Process, by Thénard 78-85 Library (geocoded): Place of edition (geocoded):