- http://www.paulbolstad.net/gisbook.html
- http://giscourses.cfans.umn.edu/fnrm3131
- http://giscourses.cfans.umn.edu/fnrm5131
- http://giscourses.cfans.umn.edu/espm4295
- http://giscourses.cfans.umn.edu/espm5295
- http://giscourses.cfans.umn.edu/espm5031
- http://scholar.google.com/citations?hl=en&user=AGBTBdUAAAAJ&view_op=list_works&cstart=40
- https://www.cfans.umn.edu/academics/majors-minors/forest-natural-resource
- http://mgis.umn.edu/