Cutaneous spinal nerves of the upper limb (Gray's illustrations)
Original diagrams from Gray's anatomy, now out of copyright. These diagrams have been reproduced from Gray's Anatomy 20th US edition which has now lapsed into the public domain
- https://commons.wikimedia.org/wiki/File:Gray811.png
- https://commons.wikimedia.org/wiki/File:Gray812.png
- https://commons.wikimedia.org/wiki/File:Gray813.png
- https://commons.wikimedia.org/wiki/File:Gray814.png