Columbia subject headings:
Harvard subject headings:
Alte Apotheke Calw--History--18th century--Sources.
Alte Apotheke Calw--History.
Beurer, Johann Ambrosius, 1716-1754--Correspondence.
Drug factories--Germany--Calw--History.
Gärtner, Achatius, 1724-1770--Correspondence.
Gärtner, Johann Georg, 1727-1755--Correspondence.
Pharmacy--Germany--Calw--History--18th century--Sources.
Pharmacy--Germany--Calw--History.
Princeton subject headings:
Beurer, Johann Ambrosius, 1716-1754--Correspondence.
Gärtner, Achatius, 1724-1770--Correspondence.
Gärtner, Johann Georg, 1727-1755--Correspondence.
Pharmacy--Germany--Calw--History--18th century--Sources.