Viking age / This particular boot is more than 1000 years old and was found in Coney Street, York.
Shoe school 101 | Wren*Feathers
Two Early Shoe Patterns. Roman shoes and Viking shoes.
viking shoes More
more historical viking shoes from the Jorvic Viking Centre
Shoes viking anglo saxon
Polish website for historic accurately made viking shoes, and other reenactment stuff. http://www.wojmir.pl/buty_wikinskie.htm
Spirit of the Vikings
Boot from Heddeby - Type 6
"Viking Shoes" - interesting links in the comment section
Historically Accurate Kit
Google Image Result for http://www.oocities.org/soho/gallery/4774/shoes04.jpg
Viking footwear display from the Museum at Haithabu