With over 22, 000 entries, Henderson's Dictionary of Biology is the most comprehensive reference for all the biological sciences.
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...Hendrick Avercamp (1585-1634) was the first artist to specialize in painting winter landscapes that feature people enjoying themselves on the ice. Scenes of skating, sleigh rides, & outdoor games on frozen canals & waterways bring to life the energetic pastimes & day-to-day bustle of the Golden Age.