The 1200s: headlines in history/ Thomas Siebold, book editor - California: Greenhaven, 2001. - 240 pages; 23 cm. Includes index. ISBN: 0737705310 (paperback: alkaline paper) Subjects--Topical Terms: Thirteenth centuryCivilization, Medieval--13th century LC Class. No.: Circ. CB 355 .A15 2001