There's a 1970 conference presentation by Simon:
It's sometimes called "Encounters with Jogis in Indian Sufi Hagiography," I believe. 

If you have a copy, I would be very grateful if you would share it with me.

Many thanks,
Dominik



--
Professor Dominik Wujastyk
,

Singhmar Chair in Classical Indian Society and Polity
,

University of Alberta, Canada
.

South Asia at the U of A:
 
sas.ualberta.ca