Musnad Ahmad 25:359

Yunus narrated to us, Shaiban narrated to us, Qatadah narrated to us, from Abu al-Aliyah, who said: The cousin of your Prophet, may Allah bless him and grant him peace, Ibn Abbas, narrated to us, saying: The Prophet of Allah, may Allah bless him and grant him peace, said: "On the night I was taken on the Night Journey (Isra), I saw Musa ibn Imran, a dark-skinned man, tall, with curly hair, as if he were one of the men of Shanu'ah. And I saw Isa ibn Maryam, of medium build, with a complexion inclining toward redness and whiteness, and straight hair."