A sacramental directory; or, A treatise concerning the sanctification of a Communion-Sabbath. [electronic resource] : Containing many proper directions, in order to our preparing for, receiving of, and right behaving after the sacrament of the Lord's Supper. With a preface, persuading ministers to the frequent dispensing of this ordinance, evangelical preaching, looking for the spirit's effusion, &c. To which are added (by way of appendix), meditations and ejaculations, proper for communicants before, in time of, and after partaking of the holy Sacrament, found among the author' papers. By the Rev. Mr. John Willison, late minister of the Gospel at Dundee.