- Photographs of Robben Island: Kamchatka (Mt. Velienchinski, Petropavlovsk), Bering Island (sledge dogs, fur-seal drives and rookeries) and Copper Island
- The Russian Fur-Seal Islands
- Results Of Ornithological Explorations In The Commander Islands And In Kamtschatka
- Herpetology of Japan and Adjacent Territory (Facsimile Reprints in Herpetology) (Facsimile reprints in herpetology)
- The Origin Of The So-called Atlantic Animals And Plants Of Western Norway























