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JohannAdamOsianderObservationesDejurebelliHugonisGrotii MG.tif Title page Titelpagina foto PDArt DVorm Peace Palace Library collection Johann Adam Osiander Observationes maximam partem theologicae in libros tres De jure belli ac pacis Hugonis Grotii Johanne Adamo Osiandro Publisher Tubing imprentis Joh Georgii Cott Institution