Fleta minor the laws of art and nature, in knowing, judging, assaying, fining, refining and inlarging the bodies of confin'd metals - Ercker, Lazarus (Printed for the author, by Thomas Dawks, 1683)
Reproduction of original in Emmanuel College Library, Cambridge, England. - Vol. 2 has special t.p. with imprint: London : Printed for the Author, by Thomas Dawks, 1683. - Wing, P1906