The conquest of the continent, by Hugh Latimer Burleson

http://www.archive.org/details/conquestofcontin00burluoft

Two thousand years of missions before Carey, based upon and embodying many of the earliest extant accounts.

http://www.archive.org/details/twothousandyears014145mbp

The Christian mission in America

http://www.archive.org/details/christianmission028099mbp