I have just seen that the downloadable version of Paulin Ladeuze‘s book concerning the Pachomians has vanished from archive.org. For this reason I found it useful to scan the volume and put it up here.

P. Ladeuze, Etude sur le cénobitisme pakhomien pendant le IVe siècle et la première moitié du Ve (Louvain – Paris: J. van Linthout, 1898) click here to download