Here are the links that form the basis of my findings in Alchemcial Chemistry
1920 – 20 lectures found here
1921 – found here
1922 – found here 26 oct 1922 – found here
1923 – The Healing Process – a book , being a collection of lectures. Very good comment on equiseteum throughout
1924 – Pastoral Medicine – found here
Then part 2 – An Anhtropsophical Approach to Medicine by Hausmann and Wolff.