precertvideo Giallo movie database
	UMD movie database
	Killing For Culture-Death & mondo film availability on disc
Japanese torture movies	Japanese torture movies
Gallery	Gallery
Lens Collectors Database	Lens Collectors Database
Tamron lens database	Tamron lens database Excel .XLS file
Kodak DCS	Kodak DCS serial number survey, Canon 50mm f/0.95 survey, Minolta RD-175 Actioncam survey
Professional DSLR	A history of professional Digital Cameras 1981~present
Specific power	A graph of BHP per litre