"On the other hand, there is considerable evidence of colonial-era Muslim communities attributing to Sufi shaikhs – or in many cases, men who were retroactively given a Sufi identity -- the conversion of their ancestors. District gazetteers compiled in the 19th and 20th centuries are full of such narratives. However, such attributions are not supported by contemporary evidence."
January 1, 1970
https://en.wikiquote.org/wiki/Richard_M._Eaton