Banal na Krus

Mga panluwas na takod
Jan Willem Drijvers, "Helena Augusta": the three legends that circulated about the finding of the Cross, the Helena legend, the Protonike legend and the Judas Kyriakos legend, with references to the contemporary sources
Catholic Encyclopedia: "True Cross," a Catholic view
OCA Synaxarion: Exaltation of the Cross, traditional Orthodox view
Fernand Cabrol, "The true Cross": a Catholic view
The Holy Cross in Jerusalem