It was narrated from 'Abdullah that:
The Messenger of Allah (ﷺ) used to deliver two khutbahs standing, and he would separate them by sitting. (ID)
App reference (ID): Book 14, Hadith 53 (ID)
English reference (ID): Vol. 2, Book 14, Hadith 1417 (ID)
Arabic reference (ID): Book 14, Hadith 1427 (ID)