http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
x pages, 1 ., 190 pages : frontispiece, illustrations (maps) plates, diagrams ; 20 cm.
"This book is the outgrowth of a series of eight lectures given at the Lowell institute in January, 1944."--Preface.