Useful Links:
- Escape Lines on the Somme: http://www.scottishlegionnews.com/magazine/oct–nov-2012-sln/item/52-escape-lines-on-the-somme.html
- Fred Gardiner’s Story: http://www.possumline.net/EscapersAndEvaders/gardiner/ownstory.htm
- Possum Line: http://webspace.qmul.ac.uk/fsegreyer/
- Possum Line (French language): http://www.crdp-reims.fr/memoire/enseigner/memoire_reseaux/menu_reseaux.htm
- The Possum Escape Line: http://www.ww2escapelines.co.uk/escapelines/possum-line/
- Wikipedia Article on Edgard Poitier of the Possum Line: http://en.wikipedia.org/wiki/Edgard_Potier
