Frédéric Boissonas (1858-1944) travelled in 1928 and 1930 to Greece and made photo’s on the holy mountain.
This looks like St. Basil (Ag. Vasiliou) near Chilandariou.
Arsanas Ag.Pavlou. Thanks Giannis. More arsanas here.
This is the entrance of Philotheou. Giannis recognized it immediately. Look at this foto of brother Wim taken in 1989: