Canada
- Aerial Photographs Canada 1986.
- Ants of Massachusetts Bogs. 1999-2009
- The dynamics of Sphagnum in forest and peatland communities in Southeastern Labrador, Canada. 1984
- The Food Web of Sarracenia Purpurea. 1998-2004
- Food Web of Sarracenia Purpurea in United States and Canada since 1999. 1999-2011
- Innovation in Private Land Conservation in Chile, Germany and Quebec, Canada. 2013
- James Gordon Ogden, III (Pete) Files. 1957-1996
- L'analyse pollinique comme outil de datation. 2000
- Labrador research. Includes leech fen, black spruce, and lichen woodlands. 1984
- NEFSC (Northeastern Forest Soils Conference). 1939-2014
- Preliminary Proposal: Geographic and Genetic Range Shifts in Patchy Environments. 2016-2020
- Regional variation in modern and historical fire regimes in the boreal forest of Labrador and adjacent Quebec. 1985
- Vegetation pattern and diversity in S.E. Labrador, Canada: Betula papyrifera (birch) forest development in relation to fire history and physiography. 1985