 In addition, the midrash makes use of the work of Rambam and Alfasi, as well as many geonic writings, but the sources are never cited—a unique characteristic of this midrash.All these various sources are fused in such a way that the product is a new literary creation in which the original ingredients can frequently not be unambiguously discriminated.A "Midrash HaGadol that was brought from Aden" is cited by Joseph Shalit Riqueti in "Sefer Chochmat HaMishkan" (1676), but it is not known whether this is the same as this Midrash HaGadol.