Picnic at Hanging Rock: A Recollection....Hanging Rock 1900 (1975)

This 1975 on-set documentary by Picnic at Hanging Rock executive producer Patricia Lovell features interviews with source novel author Joan Lindsay, director Peter Weir, and cast members Rachel Roberts and Dominic Guard.

Extra 3: https://rumble.com/v71t40w-picnic-at-hanging-rock-everything-begins-and-ends-2014.html