Title
A key to Helmont, or, A short introduction to the better understanding of the theory and method of the most profound chymical physicians [electronic resource]
Notes
Preface signed: William Bacon.
Reproduction of original in the British Library.
Electronic reproduction. Ann Arbor, Mich. : UMI, 1999- (Early English books online) Digital version of: (Early English books, 1641-1700 ; 1394:45)
References
Wing, D.G. Short-title catalogue of books printed in England, Scotland, Ireland, Wales, and British America, and of English books printed in other countries, 1641-1700, B374.