Hanafi
The sources give no view for it here.
تطهير الدباغة لجلد الخنزير والكلب والفيل
هل تطهّر الدباغة جلد الخنزير والكلب والفيل؟
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
٨ - الاِتِّجَاهُ الْخَامِسُ: كَالثَّالِثِ إِلاَّ أَنَّهُمْ قَالُوا: إِنَّ الدِّبَاغَةَ لاَ تُطَهِّرُ جِلْدَ الْخِنْزِيرِ وَالْكَلْبِ وَالْفِيل، وَهُوَ قَوْل الإِْمَامِ مُحَمَّدِ بْنِ الْحَسَنِ صَاحِبِ أَبِي حَنِيفَةَ.
«الموسوعة الفقهية الكويتية» (Kuwait) entry «إهاب» vol. 7 p. 97
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.