http://www.thelightofgolrasharif.com/Website/urdu_version/Hazrat/Hazrat_ka_Qadyaniat_k_Khilaaf_mukaabla/mukabla_1.htm (If link is broken, please view backup PDF)
Ijaz-ul-Masih by Mirza Ghulam Ahmad, and Shams-i-Bazigha by Muhammad Ahsan Amrohvi. This book has been printed multiple times and the seventh edition is still available.
This excerpt is from page 66, where the author asks Mirza Ghulam Ahmad to not abuse him and whatever comes out from his mouth, as God's words are also spoken by him.
by Mirza Ghulam Ahmad and Muhammad Ahsan Amrohvi. The name means 'Rising Sun'. It is a book by Muhammad Ahsan Amrohvi, one of the assistants of Mirza Ghulam Ahmad. It was directed at Mehr Ali Shah, and according to the latter, was full of errors.
http://www.thelightofgolrasharif.com/Website/TheLightofGolraSharif/hazrat/fight_against_qadyanism.htm (If link is broken, please view backup PDF)