Grades of hadth A. al-sahh (sound, authoritative) B. al-hasan (fair, satisfactory) C. al-daf (weak, unauthoritative) Types of hadth according to isnd A. al-musnad (supported) B. al-muttasil (uninterrupted) C. al-marf`(raised) D. al-mawqf (halted) E. al-maqt` (cut-off) F. al-mursal (loose) G. al-munqati` (interrupted) H. al-mu`dal (problematic) I. al-tadls (misrepresentation) J. al-isnd al-`al wa l-nzil K. al-musalsal (something common)Types of hadth according to matn and/or isnd A. al-shdhdh wa al-matrk (anomalous and rejected) B. al-munkar (unfamiliar) C. al-afrd/al-mufrad (isolated) D. al-mu`allal (defective) E. al-mudtarib (disrupted) F. al-mudraj (interpolated material) G. al-mawd` (forged) H. al-maqlb (mixed-up) I. al-mashhr and al-matawtir (famous and repetitive) J. al-gharb wa l-`azz (unusual) K. gharb al-alfz (obscure words)