Guettard, [J.E.] 1783. Tome Quatrième. Mém. Diff. Sci.: [1]-687, pls. (1) I-XXX, (2, 3) I-XXVI, (5) I-III, (7) I-III, (9) I-VII, (10) I-IV, (11) I, (12) I-III, (13) I-VII, (14) I-XXX, (16) I. ≡