Shimush Tehillim
Sefer Shimush Tehillim is a short and relatively little-known treatise attributed to Rav Hai Gaon according to the Sedei Chemed] which describes the Kabbalistic uses of particular chapters and verses from the Book of Psalms for prophylactic or healing purposes. These selections are meant to be either recited alone, frequently multiple times or in conjunction with some other action or prayer. Shimush Tehillim...