Volcanoes -- Tonga -- Videodiscs. : Hidden volcano abyss [(DVD) videorecording] / a Nova production by Lion Television Limited (and All3Media company) for GBH in association with ARTE France and NHK ; produced, filmed and directed by Duncan Bulling ; senior producer for Nova, Caitlin Saks.
Volcanoes -- Yellowstone National Park -- Videodiscs. : Yellowstone [(DVD) videorecording] / 2 Entertain ; BBC Earth ; a BBC / Animal Planet and Discovery co-production ; Executive producer, Michael Gunton ; series producer, Andrew Murray.
Volcanologists -- United States -- Biography. : The last volcano [eAudio] : a man, a romance, and the quest to understand nature's most magnificant fury / John Dvorak. [Boundless electronic resource]
Here are entered works on emigrants from the German-speaking colonies in the Russian Empire established in the 18th and early 19th centuries along the Volga River and the Black Sea. Works on Germans in the Russian Empire in general are entered under Germans--Russia.