TY - `BOOK` AU - Roesner, Edward H. TI - The manuscript Wolfenbüttel, Herzog August Bibliothek, 628 Helmstadiensis : a study of its origins and of its eleventh fascicle PY - 19XX- LA - eng N1 - Ann Arbor, Univ., Diss., 1974 AN - UBHD-67380772 ER -