Twenty-five years' mission life on Tanna, New Hebrides / Agnes C. P. Watt ; biographical sketch and introduction by T. Watt Leggatt.

http://www.archive.org/details/twentyfiveyears00wattuoft

Foreign missions after a century / by James S. Dennis

http://www.archive.org/details/foreignmissionsa008429mbp

Analysis of ocean power extraction capabilites of a rotary wave energy conversion system

Gemstone Team WAVES (Water and Versatile Energy Systems)