Travels in the Steppes of the Caspian Sea, the Crimea, the Caucasus, &c

НБУВ, «Україніка», розділ «Природознавство».

Hommaire de Hell, Xavier.

Travels in the Steppes of the Caspian Sea, the Crimea, the Caucasus, &c : With Additions from Various Sources / by Xavier Hommaire de Hell. London: Chapman and Hall, 1847. VIII, 436 p.