Colossus Computer

I am an opening paragraph. I have an uploaded image, and text in italic, bold, and 'bold and italic.'

Error creating thumbnail: Unable to save thumbnail to destination

Here's another paragraph.

I am a section

I include internal and external links.

I am a subsection

I have yet more text.

I am a sample bibliography

Ratcliff, R.A. Delusions of Intelligence: Enigma, Ultra, and the End of Secure Ciphers. New York, NY: Cambridge University Press, 2006.

Sale, Anthony E. "The Colossus of Bletchley Park – The German Cipher System." The First Computers: History and Architectures. Eds. Raul Rojas and Ulf Hashagen. Cambridge, MA: The MIT Press, 2000.

Author. Book Title. Publishing location: Publisher, Date.

Author. "Article Title". Journal, volume, issue, page.