Evaluation of criteria for harvesting of tolerant hardwood and hardwood-softwood stands on provincial Crown land. 1995. Higgs, B.J. Natural Resources Canada, Canadian Forest Service, Maritimes Region, Fredericton, New Brunswick. 134 p.
Enrichment of hardwood regeneration on contemporary clearcuts by the direct seeding of birch. 1991. Lees, J.C.; Higgs, B.J. Pages E1-E5 in Proceedings of the 72nd Annual Meeting, Woodlands Section, Canadian Pulp and Paper Association, March 15, 1991, Montreal, Quebec. Canadian Pulp and Paper Association, Ottawa.