Linked from
The 10 pages that link to DSM-IV, each with the reason it gives.
DSM-5-TRRelated: Its categories and multiaxial system formed a major predecessor to DSM-5.
DSM-5Related: DSM-5 replaced its categories and criteria after a major revision process.
Asperger syndromeRelated: It treated Asperger disorder as a distinct diagnosis.
Amok syndromeRelated: It listed amok among culture-bound syndromes in an appendix.
Disorganized schizophreniaRelated: It retained schizophrenia subtypes before their removal in DSM-5.