The original files came from below. not me. :) i hope these to help.
- The Architecture of Open Source Applications
- http://aosabook.org/en/index.html
- The Architecture of Open Source Applications's Source code is located in repository
- https://github.com/aosabook/aosabook
- https://github.com/gxcsoccer/PDisk
- 500 Lines or Less's Source code is located in repository
- https://github.com/aosabook/500lines
- https://github.com/strump/500lines-pdf