(Update: The answer is that it looks like it is not a common idea, as Charlesworth's source, a German Encyclopedia, apparently only cites the Gospel of Peter as an early writing with this idea.)
Book VI of the Sibylline Oracles has an address to the Cross:
James Charlesworth writes in his book The Old Testament Pseudepigrapha regarding this passage: "The idea expressed in verse 37, that the cross would be taken up to heaven, was popular in later Christian writings." For this idea Charlesworth cites: Rzach-Wissowa 2A, col. 2141. This is an old German Encyclopedia, and he means Rzach's article in the Encyclopedia, which you can read on p. 2141 here: Paulys Realencyclopädie Der Classischen Altertumswissenschaft
But unfortunately I can hardly read German to check it, although I can see that it refers to the Gospel of Peter among maybe other citations.
The Gospel of Peter has the story of the talking cross that followed Christ and two figures out of the tomb. It goes:
Book VI of the Sibylline Oracles has an address to the Cross:
O the Wood, O so blessed, upon which
God was outstretched; the earth shall not have thee,
But thou shalt look upon a heavenly house,
When thou, O God, shalt flash thine eye of fire.
James Charlesworth writes in his book The Old Testament Pseudepigrapha regarding this passage: "The idea expressed in verse 37, that the cross would be taken up to heaven, was popular in later Christian writings." For this idea Charlesworth cites: Rzach-Wissowa 2A, col. 2141. This is an old German Encyclopedia, and he means Rzach's article in the Encyclopedia, which you can read on p. 2141 here: Paulys Realencyclopädie Der Classischen Altertumswissenschaft
But unfortunately I can hardly read German to check it, although I can see that it refers to the Gospel of Peter among maybe other citations.
The Gospel of Peter has the story of the talking cross that followed Christ and two figures out of the tomb. It goes:
In the story you can theorize that since Christ ascended to heaven, then the cross following Him did too.[39] And while they were relating what they had seen, again they see three males who have come out from they sepulcher, with the two supporting the other one, and a cross following them,
[40] and the head of the two reaching unto heaven, but that of the one being led out by a hand by them going beyond the heavens.
[41] And they were hearing a voice from the heavens saying, 'Have you made proclamation to the fallen-asleep?'
[42] And an obeisance was heard from the cross, 'Yes.'
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