Martini Schoockii Tractatus de turffis ceu cespitibus bituminosis quo multa, ab aliis hactenus aut neglecta aut minus diligenter examinata, accuratius aliquanto excutiuntur - Schoock, Martinus (Typis Johannis CöllenI, bibliopolæ & typographi, 1658)
Goldsmiths'-Kress no. 01416.1. - OCLC, 20887994. - Photographed from an original in the Kress Lib. - Reproduction of original from Kress Library of Business and Economics, Harvard University