The Online Books Page

Books by American potash producers:

Books in the extended shelves:

• American potash producers: Petition to the Congress of the United States of American concerning the wrecking of the American potash industry by the government of Germany, from American potash producers. ([M. B. Brown printing & binding co.], 1922), also by United States Congress (page images at HathiTrust)

Find more by American potash producers at your library, or elsewhere.