Hanafi
The sources give no view for it here.
قطع العبد الآبق السارق
هل يُقطع العبد الآبق إذا سرق؟
Each school’s answer
In our wordsHanafi
Not stated in the sources
Maliki
Not stated in the sources
Shafi'i
Not stated in the sources
Hanbali
Not stated in the sources
The texts
مسألة: يقطع الآبق إذا سرق، خلافا لقوم؛ للظاهر والخبر، ولأنه مكلف سرق نصابا من حرز مثله لا شبهة له فيه كغير الآبق.
«الإشراف», al-Qadi Abd al-Wahhab p. 949
From the schools’ own books
Maliki
The sources give no view for it here.
Shafi'i
The sources give no view for it here.
Hanbali
The sources give no view for it here.
What is «in our words» is our standard wording; the books’ texts stay as they are.