The two letter "field tags" in the Web of Knowledge files are documented on this page. Our tools add the explicit name to the field tag according to this list:

• FN: File Name

• VR: Version Number

• PT: Publication Type

• AU: Authors

• AF: Author Full Name

• CA: Group Authors

• TI: Document Title

• ED: Editors

• SO: Publication Name

• SE: Book Series Title

• BS: Book Series Subtitle

• LA: Language

• DT: Document Type

• CT: Conference Title

• CY: Conference Date

• HO: Conference Host

• CL: Conference Location

• SP: Conference Sponsors

• DE: Author Keywords

• ID: Keywords Plus®

• AB: Abstract

• C1: Author Address

• RP: Reprint Address

• EM: E-mail Address

• FU: Funding Agency and Grant Number

• FX: Funding Text

• CR: Cited References

• NR: Cited Reference Count

• TC: Times Cited

• PU: Publisher

• PI: Publisher City

• PA: Publisher Address

• SC: Subject Category

• SN: ISSN

• BN: ISBN

• J9: 29-Character Source Abbreviation

• JI: ISO Source Abbreviation

• PD: Publication Date

• PY: Year Published

• VL: Volume

• IS: Issue

• PN: Part Number

• SU: Supplement

• SI: Special Issue

• BP: Beginning Page

• EP: Beginning Page

• AR: Article Number

• PG: Page Count

• DI: Digital Object Identifier (DOI)

• GA: Document Delivery Number

• UT: Unique Article Identifier

• ER: End of Record

• EF: End of File

• DOI_CITED: Cited papers having a DOI