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:
Marco Aurel. en Frontpage od Libro Primero de Arithmetica Algebraica by Marco Aurel germanspanish mathematician Google books google cat id qrrCWJQXcC Marco Aurel XVI century other versions Custom marker PDold Uploaded with Mathematics book covers Mathematicians from Spain Books published by Joan Mey