Analysis of information sources in references of the Wikipedia article "Hilal Subur" in Indonesian language version.
Textbooks...The true texts brought all of these strands together, the most important being James Henry Breasted, Ancient Times: A History of the Early World (Boston, 1916), but a predecessor, George Stephen Goodspeed, A History of the Ancient World (New York, 1904), is outstanding. Goodspeed, who taught at Chicago with Breasted, antedated him in the conception of a 'crescent' of civilization.