http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
cxliv, 597 pages : illustrations ; 22 cm.
edited with introduction, translation, and commentary by Rachel Bromwich.
Based mostly on MSS. in the National Library of Wales: triads 1-46 are from the Peniarth MS. 16; 47-69, from the White Book (Llyfr gwyn Rhydderch) or Red Book (Llyfr coch Hergest); 70-80, from Pen. 47; 81-86, from Pen. 50; and triads 87-96 are miscellaneous additions from late MSS.
Includes bibliographical references and indexes.