Ancient Christian Writers: The Works Of The Fathers In Translation (ACW, 1946—), bookmarked(1946) The Epistles of St. Clement of Rome and St. Ignatius of ...

Pier Giorgio Frassati, the “Saint Francis of Turin,” will be beatified on September 7, 2025. A layman of deep faith, he lived ...

Lumen depreciation is the condition that the light output of a light emitting diode (LED) lamp falls below a fraction of its peak output. In LED lighting systems with multiple LED lamps, lumen ...