A short necrology of Henri Gustave Vogt can be found here:

https://gallica.bnf.fr/ark:/12148/bpt6k200265z/f5.item

**EDIT**

and his 1924 discourse on Henri Bazin here:

https://gallica.bnf.fr/ark:/12148/bpt6k200262t/f6.item

**EDIT**

and some comments on his entry in the Académie in 1921 are here:

https://gallica.bnf.fr/ark:/12148/bpt6k2002594/f57.item.r=Vogt