114	Class No
691	Accession Number
18	Author
4	Title
25	Item Type (MARC21 942c)
7	Edition
12	Place of Publication
11	Publisher
13	Date of Publication
10	Extent
110	Volume
60	ISBN (MARC21 020a)
151	Replacement Price
70	Subject (MARC21 650a) If it appears more than once, just join the entries and make them one entry.
20	Additional Authors
80	Recorded by (MARC21 946)
122	Date of Record

We attempted to add the following tags to your script since they were not there:
25 ($itemtype_25_942_c)
60 ($isbn_60_020_a)
70 ($subject_70_650_a)
80 ($recordedby_80_946_a)