GUIDE: Binger, Norman. A bibliography of German plays on microcards. Z1033.M6B61 [This guide includes plays issued in the 1961-1968 groups.] This is a continuing project including plays published from the 16th to the early 20th centuries. Opera libretti and translations of plays written in languages other than German also are included. From 1961 through 1985, the set was produced in microcard format; from 1986 to date, it is in microfiche. The Center receives additional titles in this set periodically. At its completion, the set will include 12,000-15,000 titles. All titles will be included in the Center's catalog.