All Saylor Academy courses are licensed under a Creative Commons Attribution 3.0 Unported License. For licensing purposes, a "course" is defined as the structure, syllabus, learning outcomes, unit descriptions, and the framing text that accompanies resources curated from third parties. That excludes the third party resources themselves, including the following resources used in this course, which contain the individual licenses listed below:
Allen B. Downey's Little Book of Semaphores:
John Kubiatowicz's Resources:
All other resources are copyrighted, and may not be reproduced without the explicit permission from the copyright holder.