Soltis, A. & Mednis, E. & Keene, R. & Grefe, J. - Understanding the Queens Indian Defence.PDF (14.09 MB)
http://www.multiupload.com/OZLPV36DUP

Geller, Efim - Queens Indian Defence.pdf (12.8 MB)
http://www.multiupload.com/5RA5MDCOR1 

The petrosian system against qid.pdf (6 MB)
http://www.multiupload.com/B3HUN718RD