1
by Gellert, Christlieb Ehregott
Published 1776
Printed for T. Becket
Subjects: ...Mineralogy, Determinative...

2
by Gellert, Christlieb Ehregott
Published 1776
printed for T. Becket, Adelphi, Strand, Bookseller to their Royal Highnesses the Prince of Wales, Bishop of Osnabrugh, Prince William, and Prince Edward
Subjects: ...Mineralogical chemistry / Early works to 1800...