Alaskan Archaeology
An extensive resource from Ken Schoenberg at the National Park Service.

Cold Regions
From the US Library of Congress and CRREL, a massive searchable bibliography.

Expeditions, Polar and Ice Operations
A comprehensive bibliography by the US Coast Guard.

IgentaConnect
The ultimate electronic bibliography - a searchable site that accesses citations for over 22 million articles.

Kayaks
An annotated bibliography of 255 articles and books, both historic and recent, compiled by David W. Zimmerly.

Placer Mining Bibliography, 1896-1966
A massive resource of worldwide references, compiled and annotated by Parks Canada - hundreds of references on dredges alone.

Royal Canadian Mounted Police History
This basic biblio lists 30 of the best references to Canadian police ("Mountie") history, and has the address where you can get a 1,000-title bibliography.

Skagway and the Klondike Gold Rush
Hundreds of references, compiled by William Hampton Adams and David R. Brauner.