Smaller midrashim
A number of midrashim exist which are smaller in size, and generally later in date, than those dealt with in the articles Midrash Haggadah and Midrash Halakah. Despite their late date, some of these works preserve material from the Apocrypha and Philo of Alexandria. These small works, were in turn used by later larger works, such as Sefer haYashar (midrash). Important editors and researchers of this material include Abraham ben Elijah of Vilna, Adolf Jellinek, and Solomon Aaron Wertheimer. Principal works. The chief of these works are: Survey of Collections. The more recent (circa 1900) collections of small  midrashim referred to above and in Midrash Haggadah are the following: Other small midrashim and mystical literature. In these collections, especially in A. Jellinek's "Bet ha-Midrash," there are many small midrashim, either edited there for the first time or reprinted, as well as a number of works under other names, a discussion of which belongs rather to an article on mystic literature. The following treatises, however, may be mentioned here, the titles being given for the most part according to Jellinek: