Keywords: Bessels.jpg en Engraving of Dr Emil Bessels Arctic Experiences published NY Harper Co 1874 George Tyson 1874 PD due to date of publication <gallery>File Emil Bessels cph 3a40926 jpg</gallery> George Tyson died in 1906 which is both more than 70 and more than 100 years ago; book is out of copyright in any case PD-old-100-1923 Emil Bessels |