A choice collection of rare secrets and experiments in philosophy : As also rare and unheard of Medicines, Menstruums and Alkahests : with the true secret of volatilizing the sixt salt of tartar : Collected and experimented : Hitherto kept secret since his decease, but now published for the good and benefit of the public by George Hartman

Secrets reveal'd : or, an open entrance to the shut-palace of the King: containing, the greatest treasure in chymistry, never yet so plainly discovered. Composed by a most famous English-man: who, by inspiration and reading, attained to the philosophers stone at his age of twenty three years, anno Domini 1645. Published for the Benefit of all English-Men by W.C. a true lover of art and Nature

A philosophicall epitaph in hieroglyphicall figures with explanation : A briefe of ye goldnen calfe (the worlds Idoll) [by John Frederic Helvetius] [John Rodolph] Glaubers golden ass well managed. Jehior the three principles of originall of all things. Published by W[illiam] C[ooper] with a catalogue of chymicall bookes

La Masoneria en la independencia de América (1810-1830) : Secretos de la historia, Tomo I en II