The National Oceanic and Atmospheric Administration has a very large collection of Snowflake photographs.
Many of the snowflake designsin Snowflake Patterns for Children were created using these images!
Wilson Bentley, the Snowflake Man, published his "Studies among the Snow Crystals" in 1902.
These links below point directly to the large Snow Crystal photos from the "Studies among the Snow Crystals" 1902 publication
Each "thumbnail" links to super, High Resolution photographs published in the "Studies among the Snow Crystals" 1902 publication.
Some of these photographs are huge and may take a long time to completely load on a dial up connection. Be patient, it's worth the wait!
Snow crystals as observed and drawn by William Scoresby over 185 years ago and more historic snowflake studies (refer to navigation bar above).
"An account of the Arctic regions with a history and description of the northern whale-fishery", by W. Scoresby. 1820.