Edm. Halley: De Iride, Sive de Arcu Caelesti, Differtatio Geometrica, qua Methodo Directa Iridis Ntriusq; Diameter, Data Ratione Refractionis, Obtinetur: Cum Solutione Inversi Problematis, Sive Inventione Rationis Istius ex Data Arcus Diametro. Per Edm. Halley Reg. Soc. Soc. In: Philosophical Transactions of the Royal Society of London. 22, 1700, S. 714–725, doi:10.1098/rstl.1700.0058.