Gospel of Thomas or actually: The Gospel According to Thomas also known as Codex II was found in Egypt in 1945. The very interesting thing is that the book contains direct citations of Jesus Christ in 114 verses. The Gospel of Thomas was written in 340 in Coptic, but the foundations are earlier oral traditions. Here it is in the two most significant and widespread English translations as free pdf ebooks of the text that never made it to the official Christian Bible.
We also have the Gospel of Philip here: Link.