"A dose of Prussic acid first," Lionel murmured, to himself.
"Prince Fortunatus"
William Black
And the bottle of Prussic acid which was found yesterday hidden in the chair where just now you searched for it?
"The Crevice"
William John Burns and Isabel Ostrander
Pennington Lawton was murdered-poisoned by a draught of Prussic acid.
"The Crevice"
William John Burns and Isabel Ostrander