If you are a student of Hanafi fiqh or a researcher of early Islamic law, download a clean, searchable PDF of Kitab-ul-Asar immediately. It bridges the gap between the hadith literature ( Muwatta ) and the later codified Hanafi madhhab. Avoid the 100-page low-resolution scans; aim for the 500+ page critical edition. For the lay Muslim, this is heavy reading—but for the serious seeker, it is gold.

Look for the PDF titled “Kitab al-Athar li Muhammad ibn al-Hasan – Tahqiq Abu al-Wafa al-Afghani” on academic platforms like Archive.org or Islamic university repositories.