Erwin Schopper zum 70. GeburtstagErich LohrmannWiley (John Wiley & Sons)1979DOI 10.1002/phbl.19790350605
Schopper receives UNESCO's Albert Einstein Gold MedalInternational Union of CrystallographyInternational Union of Crystallography2004DOI 10.1107/s0909049504009276
James Schopper: "Catholic and Evangelical"Philip J. SeckerSixteenth Century Journal Publishers1973DOI 10.2307/2539726
Herwig Schopper Berater der Physikalischen BlätterWiley (John Wiley & Sons)Wiley (John Wiley & Sons)1965DOI 10.1002/phbl.19650210512
Herwig Schopper - neuer Generaldirektor von CERNE. LohrmannWiley (John Wiley & Sons)1981DOI 10.1002/phbl.19810370407
AIP Gives Tate Medal to SchopperAmerican Institute of PhysicsAmerican Institute of Physics2004DOI 10.1063/1.2408558
Calibration And Adjustment Of The Schopper Folding TesterCarson, FT1927DOI 10.0000/c743765d30aeb5fccbf4cbd68eec062b
Improving the Capability of the Schopper–Riegler Freeness MeasurementDóra DienesMeasurement2005DOI 10.1016/j.measurement.2005.07.011
