On a Theorem in the Geometry of Position Camb. Math. Journ. T. 11. Pp. 267 — 271 (1841) On the Properties of a certain Symbolical Expression Camb. Math. Journ. T. III. Pp. 62 — 71 (1842) On certain Definite Integrals Camb. Math. Journ. T. III. Pp. 138 — 144 (1842) On certain Expansions, in series of Multiple Sines and Cosines Camb. Math. Journ. T. III. Pp. 162 — 167 (1842) On the Intersection of Curves Camb. Math. Journ. T. III. Pp. 211 — 213 (1843)