And I don’t know if you consider it a “peer”, since the NFB was commissioned to produce, but “Hinterland Who’s Who” by the Canadian Wildlife Service is iconic (and indeed to where my mind goes when imagining Boards of Canada’s influences)[0][1].
[0] https://en.wikipedia.org/wiki/Hinterland_Who%27s_Who
[1] https://youtu.be/H-aoWSpFor0
Edit: Canadian Wildlife SERVICE, not Foundation