American Historic Inns, Inc. - Montana - Search for bed and breakfasts, country inns and secluded hideaways written and described by travel experts. - http://www.iloveinns.com/states/MT.htm
BiggerSky - Bed and Breakfast - Directory of private homes offering bed and breakfast options. - http://www.biggersky.com/html/b_and_b_mt.html
Travel Montana - Bed and breakfast listings by town. - http://www.visitmt.com/tripplanner/campandlodge/BandB.htm