Dr. Zambelli first gave him oppilative remedies, and, seeing his mistake, he tried to mend it by administering Castoreum, which sent his patient into convulsions and killed him.
"The Memoires of Casanova, Complete The Rare Unabridged London Edition Of 1894, plus An Unpublished Chapter of History, By Arthur Symons"
Jacques Casanova de Seingalt
They all go up river in the autumn with their winter's supply of pork, flour, tea, powder, lead, axes, files, rosin to mend their canoes, and Castoreum-made out of beaver glands, you know-to take away the smell of their hands from the baited traps.
"The Man Who Rocked the Earth"
Arthur Train Robert Williams Wood
He then takes out a bottle of Castoreum.
"The Story of the Trapper"
A. C. Laut