RJA# 4b: Writing Search Strings:

("Stock Market Crash" AND Great Depression ) OR (1929 AND The Roaring 20's )

Stock:

+Stock+Great Depression
-Stock+Great Depression

Market:

+Market+Great Depression
-Market+Great Depression

Crash:

+Crash+Great Depression
-Crash+Great Depression

1929:

+1929+September+Great Depresssion
+1929-September+Great Depression