Description of the Atrium and Porticos.
The Life of Constantine with Orations of Constantine and Eusebius. — translated by ANF/NPNF editors
Chapter XXXV.—Description of the Atrium and Porticos.
The next object of his attention was a space of ground of great extent, and open to the pure air of heaven. This he adorned with a pavement of finely polished stone, and enclosed it on three sides with porticos of great length.
Translated by ANF/NPNF editors. Edition ccel.npnf201.division.iv.en.