1. The harmonic development of the tide-generating potential;Doodson;Proc. Roy. Soc. (London,1921
2. Essay towards a first approximation to a map of cotidal lines;Whewell;Trans. Roy. Soc. (London,1833
3. Tides and Waves;Airy,1842
4. Die Gezeiten des Indischen Ozeans;Priifer;Veroffenll. Inst. Meeresk. Univ. Berlin [N. F.],1939