Other
The History of Programming Languages
Brief history of programming languages is provided in this research paper at this site.
Stanford University
Stanford Cs Education Library: Essential C
A summary of the basic features of the C programming language.
Georgia Department of Education
Ga Virtual Learning: John F. Kennedy's Speech to Congress May 25, 1961 [Pdf]
This is a four-page PDF of the text to a "Special Message to the Congress on Urgent National Needs" Page 4 of President John F. Kennedy's Speech to Congress on May 25, 1961, asking for more funding for the National Space Program.
Digital Public Library of America
Dpla: Becoming an American
Through primary source documents, learn about the opportunities and pressures immigrants have confronted to "become American," from cultural and educational programs like English language classes and social events to formal citizenship...