A collection of historical books on Punjab has been meticulously digitized and are available here in the Panjab Digital Library (based in Chandigarh, Punjab). There are series of books on the subject of Partition such as growing religious tensions in 1946, the Punjab Boundary Comission reports of 1947, train massacres in West and East Punjab, and personal accounts of the refugees. This library provides a wealth of information for your own research and knowledge.

http://www.panjabdigilib.org/webuser/searches/mainpage.jsp?CategoryID=1&Searched=partition&typebox=1