A link to the blue series;
https://spiral.lynn.edu/specialcollections/2/
Also, the green series;
https://www.loc.gov/search/?in=&q=Trial ... w=true&st=
The red series;
https://www.loc.gov/search/?fa=partof:t ... series%22)
Link to IMT Blue Series V 1-42
Link to IMT Blue Series V 1-42
If I were to guess why no t4 personnel were chosen to perform gassing that had experience with gassing, it would be because THERE WERE NONE.