Intro
Maulana Zafar Ali Khan seems to have been sympathetic towards Ahmadis until the 1930’s, when everyone turned on the Ahmadis, even Allama Iqbal.  Nonetheless, the Lahori Ahmadis have written lots of data on this guy, see in the below..

http://aaiil.org/text/books/others/aaiil/whateminentmuslimssay/whateminentmuslimssay.pdf