1. Die Wissenschaftslehre Creator: Gustav Biedermann Type: title, pojednání, staré tisky, model:monograph, and TEXT Language: German Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
2. Om den indbyrdes Underviisnings Vaesen og Vaerd Creator: Mönster, P. H. and Abrahamson, J. Type: title, staré tisky, model:monograph, and TEXT Language: German and Danish Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public