مُسْنَدُ أَحْمَدَ
Musnad Ahmad 4330
Musnad of Abdullah bin Mas'ood
It was narrated that 'Abdur-Rahman bin Yazeed said: 'Abdulłah stoned Jamratal-'Aqabah from the bottom of the valley with seven pebbles, saying takbeer with each throw. He was told that some people were stoning it from above and he said: This, by the One Besides whom there is no other God, is the place where the one to whom Sooratul-Baqarah was revealed stood.
Musnad Ahmad 4359Its isnad is saheeh, Muslim (1296)]