Hale & Son <London> (Hg.): Catalogue of a collection of carved Ivory Tusks and Metal Idol, Bell & c., (Captured at the Fall of Benin City) [...],, 18.08.1897.

Hale & Son <London> (Hg.): Catalogue of a collection of carved Ivory Tusks and Metal Idol, Bell & c., (Captured at the Fall of Benin City), and supposed to be some thousands of years old, also 5 sets carved Ivory elephants and 1 Hippopotamus Skull, London (?) 18.08.1897.