1.
|
Guilford, Connecticut ; Helena, Montana : Falcon Guides, 2015. ©2015
|
2.
|
Urbana : University of Illinois Press, 1998.
|
3.
|
Minneapolis : University of Minnesota Press, c1981.
|
4.
|
London, England : Bloomsbury, 2015. ©2015
|
5.
|
London ; Washington, DC : Earthscan, 2011.
|
6.
|
New York, Dover Publications [1973]
|