This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Seebass De Duplici Mathematicarum Quantitatum Relatione. Book cover from Christian Ludwig Seeba br Duplici Mathematicarum Quantitatum Relatione Orationi Aditiali VII Iun MDCCXCVII IX In Auditorio Philosophorum Habendae Praemittit Christianus Ludovicus Sebas Philosophiae Doctor Et Professor Publ Extraord In Academia Lipsiensi Lipsiae