Very Superstitious: A History of the Sign of the Cross
The sign of the cross, according to the earliest centuries of Christians, is “the sign of the Lord,” and every baptized Christian was “marked” with it.
The Sign of the Cross in Ancient Church
Sign of the Cross
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The Science of Superstition
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Under the sign of the Cross
The history of the cross and its many meanings over the centuries
The History and Significance of the Sign of the Cross - Relevant Radio
A Short History of the Sign of the Cross - Word on Fire