File 6692/23 - Histories of the Non-Co-operation and Khilafat Movements by P C Bamford, Deputy Director, Intelligence Bureau, Home Dept, Govt of India (Delhi, 1925)
File 334/24 - Complaint lodged by Punjab govt in District Magistrate's court, Amritsar against certain members of Shromani Gurdwara Parbandhak Committee and Akali Dal; issue of personal restraint warrants against Indian communist agents Maula Baksh, Ghulam Hussain and Muzaffar Ahmad