by E. W. Burgess, Robert Ezra Park
by Charles Victor Langlois, Charles Seignobos
by Herbert Augustus Strong, Willem Sijbrand Logeman, Benjamin Ide Wheeler
by Henry Eldridge Bourne, Elbert Jay Benton
by John Wood Campbell
by Murray Leinster
et de France en Savoie, en Piémont et dans la Suisse, pendant les 8e, 9e et 10e siècles de notre ère
by Joseph Toussaint Reinaud
by Archie Frederick Collins
The Master-key to Progress
by Bradley A. Fiske
Curious Facts and Characteristic Sketches
by Anonymous
by William Henry Doolittle
by A. Russell Bond
by Philip Gengembre Hubert
by Henry Robinson
with Chapters on Discovery
by George Iles
, Area, Hearings, Part 1
by United States Congress House Committee on Un-American Activities
Glen Dawson - A Satirical Wake-up Call
FEATURED AUTHOR - After graduating from Duke University, Glen Dawson owned and operated a flexible packaging manufacturing plant for 23 years. Then, he sold the factory and went back to school to get his Master's degree in biostatistics from Boston University. When he moved to North Carolina, he opened an after-school learning academy for advanced math students in grades 2 through 12. After growing the academy from 30 to 430 students, he sold it to Art of Problem Solving. Since retiring from Art of Problem… Read more