https://www.sil.org/resources/archives/48391
https://www.sil.org/resources/archives/95706
https://www.sil.org/resources/archives/95078
Available: http://www.sil.org/silesr/2002/SILESR2002-060.pdf A paper copy may be made from the PDF f
https://www.sil.org/resources/archives/95080
https://www.sil.org/resources/archives/36521