Expand your research by checking out the Montana Online Historical Newspapers here.
Unsure of which county your city, town or village is a part? Check out RootsWeb's Town/County Locator here.
Pacific Coast Business Directory, Langley, 1867 - Free (Internet Archive)
Pacific Coast Business Directory, Langley, 1867 - Free (Vancouver Public Library)
- Part I, Part II, Part III
Montana Advertising Directory, Steele, 1883-4 - Free (Don's List)
- contains a list of all taxpayers in the state