"Midrash" in general refers to commentary on the Bible. Often though, it is used to describe particular collections of midrash written from the 2nd to the 10th century, with a few later works as well. The midrash include commentaries, interpretations, stories that illustrate biblical passages and sermons.
Below is a list of most of the Aggadic Midrash by period. You'll notice that "Midrash Rabbah" is not listed. In the 1500's, collections of midrash on the Torah and then later including midrash on other parts of the Tanakh were published together as "Midrash Rabbah" (i.e. Genesis Rabbah, Exodus Rabbah, Leviticus Rabbah, etc.)
Eichah (Lamentations) Rabbah
Pesikta de-Rav Kahana
Midrash Iyyov (Job)
Pirkei de-Rabbi Eliezer
Kohelet (Ecclesiastes) Rabbah
Canticles (Songs) Rabbah
Baraita of Samuel
Targum sheni (on Esther)
Most individual works of midrash are shelved in BM 517.
Collections of aggada (from the midrash and/or Talmud) are in BM 516 (including Sefer ha-Agadah and Ein Yaakov)
Other translated collections are in BM 512
Books about Midrash are in BM 514
Halakhah in the Midrash are in BM 515
Remember that your local librarian is there to help!
Includes the Hebrew texts of the Tanakh, Talmuds, early commentaries, codes, and many responsa. Searching is allowed from anywhere, more features are available (saving, printing, etc.) from the HUC campus or through the Jewish Studies Portal.
In the early 1900s, Ginzberg collected midrash and aggadic stories about the Bible and Biblical characters and wove them together into one narrative.
Contains digitized images of three manuscripts.
"We are building a free living library of Jewish texts and their interconnections, in Hebrew and in translation. Our scope is Torah in the broadest sense, from Tanakh to Talmud to Zohar to modern texts and all the volumes of commentary in between. Sefaria is created, edited, and annotated by an open community." Translations are available as people submit them and the site offers tools for creating study sheets.
Many older rabbinic works are available in PDF form on this site.