Divinae Providentiae Vestigia in Conrectore Georgio Christiano Ibbeken Deprehensa D. XIX. Septemb. A. C. MDCCXXXVIII. In Schola Oldenbvrgensi Contemplanda [...] / Rvdolph. Ibbeken Gen. Svp. Oldenburgi : Typis I.C Götien Reg. Dan. priv. Typogr., [1738?]