A sacrament catechism, or, a catechism preparatory to the receiving of the sacrament of the Lords' Supper. ... = Sacrament gatechism, neu gatechism i barattoi rhai i dderbŷn Sacrament Supper yr Arglwydd. ... By R.R. A.M. and Vicar of the said parish of Chirk - Roberts, Robert 1680 or 81-1741? (Printed for the author, 1720)