Chemical Library

he will easily find his desires in this little book, since I have arranged the index alphabetically according to both the principal subjects and the names.

Third, if anyone wishes to know all the works of a certain author whom he holds in higher esteem than the rest, along with their various editions, he will find these also in this list, its Appendix, and its Corollary.

Fourth, our work will also be useful to librarians, for loading their shelves with selected and exquisite books.

Fifth, it will bring both learning to booksellers (since with this Catalog they will come to know chemical books unknown to them) and profit, for it will increase the number of buyers, who often, due to a lack of authors' names or ignorance of an edition, either do not buy books or cannot find them.

Sixth, this great crowd of Philosophers will be no mediocre argument for the truth of Alchemical science, and since Ventura, Maier, and others boast of the naming of three hundred Authors, I leave you as the judge of our labor.

Seventh, to the authors enjoying the vital breath, or even their sons, this work will be most welcome, since they will see an index of their works in it, by which it will be evident everywhere on earth that they have devoted themselves to this subject.

Eighth, there exist among foreign