NASA
Nasa: At the Edge: Monitoring Glaciers to Watch Global Warming
Learn why scientists have been observing glaciers since before global warming came into the forefront. Learn about the different types of glaciers and the ways to monitor them. Some of the information may be dated. (April 14, 1999)
Other
Tulane University: Physical Geology: Glaciers and Glaciation
Lots of information here about glaciation, types of glaciers, the formation of glacial ice, changes in glacier size, how glaciers move, glacial erosion, landforms produced by glaciers, glacial deposition and drift, effects of glaciation...
National Snow and Ice Data Center
National Snow and Ice Data Center: All About Glaciers: Glacier Types
Provides photographs of nine different types of glaciers with information about where they are located.
PBS
Pbs Learning Media: Glaciers
Featuring images of glacier formations, this interactive resource adapted from the National Park Service explains what glaciers are, where they are found, how they form, and how they move.
National Snow and Ice Data Center
National Snow and Ice Data Center: All About Glaciers: Types of Glaciers
Provides short descriptions of thirteen types of glaciers.