The six-wheeled armoured reconnaissance vehicles Sd.kfz. 231, 232 and 263 from Büssing, Daimler-Benz and Magirus are the subject of Issue 48 of Nuts & Bolts.
This is partial text from the full article (usually with photos) at https://armorama.com/news/nuts-bolts-6-rad-schwerer-panzerspahwagen