A practical discourse of prayer [electronic resource] : wherein is handled, the nature, the duty, the qualifications of prayer; the several sorts of prayer; viz. ejaculatory, publick private, and secret prayer. With the necessity of, and in.gagements [sic] unto prayer. Together, with sundry cases of conscience about it. By Thomas Cobbet, minister of the word at Lyn. Imprimatur, Edm. Calamy.