"A Phantom Born of Ice Crystals - A Solar Halo." A picture taken at St. Moritz,
in the Alps, October 8, 1928, showing the common halo of 22 degrees around the
sun. the clouds are cirro-stratus.
In: "A Book about the Weather" by Charles F. Talman, 1931. P. 18.
Library Call Number M T151b.