Houghton Library is pleased to announce that the following collections now have descriptive finding aids and are available for research in the library’s reading room. Vera Allen papers, circa 1942-1986 (MS Thr 1670) – processed by Melanie Wisner Harvard Theatre Collection of New York Yiddish Theater Playbills, circa 1880s-1890s (MS Thr 1655) – processed by…