14 13, "Dewey classification"
15 14, "UDC classification"
16 15, "Bliss classification"
21 20, "Local classification"
24 23, "BDI index subject"
28 27, "LC subject heading"
29 28, "RVM subject heading"
30 29, "Local subject index"
32 31, "Date of publication"
33 32, "Date of acquisition"
35 34, "Title collective"
38 37, "Title added-title-page"
42 41, "Title other variant"
44 43, "Title abbreviated"
48 47, "Subject subdivision"
49 48, "Number natl bibliography"
50 49, "Number legal deposit"
51 50, "Number govt publication"
52 51, "Number publisher for music"
54 53, "Number local call"
56 55, "Code--geographic area"
57 56, "Code--institution"
60 59, "Place publication"
62 61, "Microform generation"
69 1004, "Author-name personal"
70 1005, "Author-name corporate"
71 1006, "Author-name conference"
72 1007, "Identifier--standard"
73 1008, "Subject--LC children's"
74 1009, "Subject name--personal"
76 Date/1011, "time added to database"
77 Date/1012, "time last modified"
78 Authority/1013, "format identifier"
80 1015, "Concept-reference"
87 1022, "Geographic class"
91 1026, "Related periodical"
94 1030, "Thematic number"
100 1036, "Author-Title-Subject"
101 "type", 2, "Relation"
103 2, "Less than or equal"
105 4, "Greater or equal",
112 "type", 3, "Position"
114 2, "First in subfield"
115 3, "Any position in field"
116 "type", 4, "Structure"
121 5, "Date (normalized)"
123 100, "Date (un-normalized)"
124 101, "Name (normalized)"
125 102, "Name (un-normalized)"
128 105, "Free-form-text"
132 109, "Numeric string"
133 "type", 5, "Truncation"
134 1, "Right truncation"
136 3, "Left and right truncation"
137 100, "Do not truncate"
138 101, "Process # in search term"
141 "type", 6, "Completeness"
142 1, "Incomplete subfield"
143 2, "Complete subfield"