Richardus Anglicus, Libellus utilissimus (peri chemeias), cui titulum fecit Correctorium
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Johannes Grasseus alias Chortalasseus, Arca arcani artificiosissimi de summis naturae mysteriis. Constructa ex rustico majore et minore, et physica naturalis rotunda visionem cabalisticum chemicam descripta, quibus accessit appendix anonymi cuiusdam philosophi de via ad aurum potabile perveniendi
now dated to around 1525; it was published in the Theatrum Chemicum of 1602, and formed part of a celebrated later collection Symbola Aureae Mensae from 1617 of Michael Maier.