elm (1,14) localControlNumber Local-number
elm (1,16) dateOfLastModification Date/time-last-modified
elm (4,1) subject Subject-heading
-elm (2,1) title Title
-elm (2,2) author Author
+elm (2,1) title Title:w,Title:p
+elm (2,2) author Author:w,Author:p
elm (2,3) publisher Publisher
elm (4,2) otherAgent -
elm (2,4) date Date