From India, A Country Study, edited by Heitzman and Worden, 1996.

From Snowflakes by Israel Perkins Warren, 1863.

Sonwflakes carry germs (top photo).  From Water Wonders Every Child Should Know: Little Studies of Dew, Frost, Snow, Ice and Rain by Jean M. Thompson, 1907.

From Water Wonders Every Child Should Know: Little Studies of Dew, Frost, Snow, Ice and Rain by Jean M. Thompson, 1907.

From Snowflakes by Israel Perkins Warren, 1863.

From Water Wonders Every Child Should Know: Little Studies of Dew, Frost, Snow, Ice and Rain by Jean M. Thompson, 1907.

From Water Wonders Every Child Should Know: Little Studies of Dew, Frost, Snow, Ice and Rain by Jean M. Thompson, 1907.

Old snow recrystallized, and a freak flake that developed only the sides which fell downward.  From Water Wonders Every Child Should Know: Little Studies of Dew, Frost, Snow, Ice and Rain by Jean M. Thompson, 1907.

A snowflake society emblem (bottom left), conjoined twin snowflakes (bottom right), a reunited broken flake (top right), and a freak snowstorm's freak crystal (top left).  From Water Wonders Every Child Should Know: Little Studies of Dew, Frost, Snow, Ice and Rain by Jean M. Thompson, 1907.

We are all snowflakes.  From the University of Denver's 1969 yearbook.

From Snowflakes by Israel Perkins Warren, 1863.

From Wheaton College's 1938 yearbook.

From Snowflakes by Israel Perkins Warren, 1863.

From Snowflakes by Israel Perkins Warren, 1863.

From Shadowland, 1922.

From Snowflakes by Israel Perkins Warren, 1863.

From Lindenwood Tales by Marguerite Behman and illustrated by H. C. Meyer, 1921.

From Snowflakes by Israel Perkins Warren, 1863.

From Snowflakes by Israel Perkins Warren, 1863.

From The Little Story House by Miriam Mason, 1935.