Generosissimi, nobilissimi, expertissimique Di. Di. Ludovici de Bils à Copensdamme, Bonem, &c. Di. Urbis atque territorii Arbenburgici praetoris Specimina anatomica : cum clariss. doctissimorumque virorum epistolis aliquot & testimoniis.
A 1661 Latin anatomical treatise by Lodewijk de Bils, a Dutch physician and magistrate, printed at Rotterdam by Arnold Leers for physicians and anatomists, with letters and testimonials from learned colleagues. Its plates show a conjoined twin figure from front and back, a dissection of the twins' chest and internal organs with lettered callouts, and a family coat of arms with several shields.
