A.-B. Chace [1879] A certain class of cubic surfaces treated by quaternions. A.J.M. 2, 315-323.
JFM 11.0570.03

Abbot-Lawrence Lowell [1877] Surfaces of the second order, as treated by quaternions (P. A. Bo., 13, 222-250; 1877-1878). P.A.Bo. 13, 222-250.
JFM 10.0515.01

Bartlett W.-P.-G. [1859] The elements of quaternions (M. M. R., 2, 29-31, 97-101, 128-133; 195-198; 1859-1860). M.M.R. 2, 29-31.

Byrnie Shaw J. [1897] Development of the a-process in quaternions, with a geometrical application. The linear vector operator of quaternions. A.J.M. 19, 193-216.
JFM 28.0503.01

Chapman C.-H. [1892] Application of quaternions to projective geometry A.J.M. 14, 115-141.
JFM 24.0648.01

De Galdeano Z.-G. [1896] Las modernas generalizaciones expressadas por el algebra simbolica, las geometrias no euclideas y el concepto de hiper espacio (Cientifico, 3, 145-147, 157-159,181-183, 361-363, 373-375, 385-387,397-399, 414-415, 424-425, 443-444, 447-449, 462-464, 488-492; Madrid, 1896 -- Et 142 p. in-8°; Madrid, 1896) [M.C] 3, 145-147.

Van Elfrinkhof L. [1892] [La solution d'équations vectorielles linéaires dans des cas spéciaux] N.A.W. 19, 132-143.

Van Elfrinkhof L. [1892] [Remarques relatives aux Mémoires sur les matrices de quaternions de M. Th. B. von Wettum] N.A.W. 19, 143-151.

Van Elfrinkhof L. [1894] [L'équation $V\rho\phi\rho=0$] N.A.W. 1, 76-88.
JFM 25.0135.02