House of the Ocelot and More Lovecraftian NightmaresSheehan, Michael, Mark McLaughlin · First published 2019Open the Tome
An illustrated guide to the endangered, threatened, and sensitive vascular plants of WashingtonMark Sheehan · First published 1981Open the Tome
The ecology of Microtus oregoni in the subalpine zone of the Olympic Mountains, WashingtonMark Vincent Sheehan · First published 1978Open the Tome
