Busch Pressman Model D Restoration – Vintage Camera Digest
Busch 2X3 Pressman Model C Folding View Camera with Side Rangefinder, Top Viewfinder with Wollensak 101mm F/4.5 Raptar in Rapax Shutter BT Bi-Post at KEH Camera
David D. Busch Canon EOS R5/R6 Guide to Digital 9781681987071