Forty years of the Grundgesetz (Basic Law)
From preface: "…two lectures marking the fortieth anniversary of the day on which the Basic Law of the Federal Republic of Germany was signed."
(Hartmut Lehmann & Kenneth F. Ledford eds., 1990)
Ledford, Kenneth F., "Forty years of the Grundgesetz (Basic Law)" (1990). Faculty Publications. 1236.