(1 - 9 of 9)
The prison demon, or, The ghost of Dr. Quartz
The woman wizard's hate, or, A dangerous foe
Zanoni, the woman wizard, or, The ward of Dr. Quartz
The great hotel murders, or, Dr. Quartz's quick move
Dr. Quartz II. at bay, or, A man of iron nerve
Dr. Quartz, the second, or, The great freight car mystery