Joh. Hartm. Degneri med. doct. ... Dissertatio physica de turfis sistens historiam naturalem cespitum combustilium qui in multis Europae regionibus, & praecipue in Hollandia reperiuntur ac ligni loco usurpantur - Degner, Johann Hartmann 1687-1756 (Apud G. Kroon, 1729)
Errata at end of text. - Goldsmiths'-Kress no. 06648.1. - OCLC, 23906713. - Reproduction of original from Kress Library of Business and Economics, Harvard University