[en] Sound Reproduction Routledge
[en] Historical Dictionary of Guinea Scarecrow Press
[en] Pound for Pound HarperCollins e-books
[en] Ada, the Enchantress of Numbers · Poetical Science Critical Connection
[en] Sound Reproduction Routledge
[en] Historical Dictionary of Guinea Scarecrow Press
[en] Pound for Pound HarperCollins e-books
[en] Ada, the Enchantress of Numbers · Poetical Science Critical Connection