Location and calling number of a physical copy:
-ETH-Bibliothek Zürich, RA Rara Rar 1288 (fist edition, 1765, not for borrowing)
Online database:
-ETH e-rara (first edition of 1765): https://www.e-rara.ch/zut/content/titleinfo/4082239
-Archive.org (first edition of 1765): https://archive.org/details/gri_33125010864763/page/n15/mode/2up
-Gallica (new edition of 1795): https://gallica.bnf.fr/ark:/12148/bpt6k856939.image#