Johnson, K.W. 2008. Permitting horticultural peat operations in Minnesota, USA - New and emerging issues. In: C. Farrell and J. Feehan (eds.) After Wise Use – The Future of Peatlands, Proceedings of the 13th International Peat Congress, Volume 2 - Poster Presentations, Tullamore, Ireland 8-13 June 2008, International Peat Society, Jyväskylä, Finland, 83-85.
Johnson, K.W. and S.H. Valppu. 2003. Lake County Wetland Creation to Enhance Migratory Bird Habitat. Natural Resources Research Institute Technical Report. NRRI/TR-2004/12. 26 pp.
Johnson, K.W. and S.H. Valppu. 2003. Fen Restoration – Final Project Report. Natural Resources Research Institute Technical Report. NRRI/TR-2003/32. 16 pp.
Rochefort, L., F. Quinty, S. Campeau, K.W. Johnson, & T.J. Malterer. 2003. North American approach to the restoration of Sphagnum dominated peatlands. Wetlands Ecology and Management. 11: 3-20.
Johnson, K.W., T.J. Malterer, and C.C. Maly. 2000. Re-establishment of Sphagnum papillosum under relatively stable water table conditions. International Peat Journal. 10:79-84.
Johnson, K.W., C.C. Maly, and T.J. Malterer. 2000. Effects of mulch, companion species, and planting time on restoration of post-harvested Minnesota peatlands, U.S.A. In L. Rochefort and J-Y. Daigle (eds.) Sustaining Our Peatlands: Proceedings of the 11th International Peat Congress, Quebec City, Canada, August 6-12, 2000, 699-704.
Johnson, K.W. and C.C. Maly. 1998. Greenhouse studies of Sphagnum papillosum for commercial harvest and peatland restoration in Minnesota. In: T. Malterer, K. Johnson, J. Stewart (eds.), Proceedings of Peatland Restoration and Reclamation - Techniques and Regulatory Considerations, Duluth, Minnesota, USA, 14-18 July 1998. International Peat Society, Duluth, Minnesota, USA, 49-55.
Johnson, K.W. 1998. Greenhouse and Field Studies of Sphagnum papillosum for Commercial Harvest and Peatland Restoration in Minnesota, USA. Master of Science Thesis. University of Minnesota Duluth. 43 pp.