Hamilton, W. R., Hamilton, W. R., & Ingram, J. K. (1846). Abstracts of additional communications on quaternions: Or on a new system of imaginaries in algebra, with some geometrical illustrations, and with applications to some dynamical questions. printed by M.H. Gill, printer to the Royal Irish Academy.

Hamilton, William Rowan, et al. Abstracts of Additional Communications on Quaternions: Or on a New System of Imaginaries in Algebra, with Some Geometrical Illustrations, and with Applications to Some Dynamical Questions. printed by M.H. Gill, printer to the Royal Irish Academy, 1846.