[Roger Lucy]

For whoever wants to get started on this, there is a file on the Armoured Snowmobile at Archives: RG24 volume 2635 HQS 3352-75, there is also one among McNaughton's papers MG30 E133 volume 214. DM&S' Design Record of Canadian Development of Military Vehicles, also has a fair amount as well on the Armoured Snowmobile and on its two experimental off-shots the Mudcat and the Muskrat.
The files on the Penguin RG24 Series C-1-b , Accession 1983-84/048 , Box 3334
7016-Penguin are still restricted so they will need to be cleared through Acess to information