Disputatio philosophico-juridica de conjunctione populorum ad pacem perpetuam
Published: 1808
Place of publication: Groningae
Language: lat
Notes: Appended to the Disputatio are forty theses, followed by five short poems in Dutch addressed to G. de Wal by H. de Wal, H. Heppener, Th. van Swinderen, B.H. Zulofs and B.H. Steringa Kuijper. The volume is concluded with a short Latin ode "Ad Frisiam" by () Bosscha.