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Skip to main content Skip to navigation Northwestern Medicine Northwestern Medicine | Northwestern University | Faculty Profiles Northwestern University Galter Health Sciences Library & Learning Center Home DigitalHub Metrics & Impact DataLab Giving Site Preferences Ask a Librarian My Galter About Library Administration Mission & Organization Employment Opportunities Facts & Statistics Library Policies Connect News Support the Library Exhibits FAQs Our Heritage Library History Special Collections Contact General Feedback NU Affiliated Hospitals & Libraries Purchase Requests Staff Directory Find, Borrow, Request Search Tools Databases E-Journals Search Catalog Search Tips Borrow and Access Materials Borrowing Privileges Locations & Call Numbers Models & Equipment Easels & Poster Boards Document Delivery Course Reserves Request an Article or Book Research Services Classes & Consulting Take a Class Request a Consultation Find my Liaison Librarian Curriculum Support EndNote Support Specialized Services Systematic Reviews Metrics & Impact Publication Support Support for Clinicians Research Tools GalterGuides Biosciences & Bioinformatics Software on Library Computers Visit The Library Classrooms & Study Spaces Extended Hours Study Space Hours & Location New: Library Policies for Visitors Technology & Computing Printing & Scanning Public Computers Visitor Privileges & Resources Alumni Resources Library Access Online Resource Access Shortcuts Quick Links ClinicalKey Ebook Collections EndNote Support FAQs GalterGuides NU Print Popular Databases PubMed Scopus Student Resources UpToDate Web of Science About Library Administration Mission & Organization Employment Opportunities Facts & Statistics Library Policies Connect News Support the Library Exhibits FAQs Our Heritage Library History Special Collections Contact General Feedback NU Affiliated Hospitals & Libraries Purchase Requests Staff Directory Find, Borrow, Request Search Tools Databases E-Journals Search Catalog Search Tips Borrow and Access Materials Borrowing Privileges Locations & Call Numbers Models & Equipment Easels & Poster Boards Document Delivery Course Reserves Request an Article or Book Research Services Classes & Consulting Take a Class Request a Consultation Find my Liaison Librarian Curriculum Support EndNote Support Specialized Services Systematic Reviews Metrics & Impact Publication Support Support for Clinicians Research Tools GalterGuides Biosciences & Bioinformatics Software on Library Computers Visit The Library Classrooms & Study Spaces Extended Hours Study Space Hours & Location New: Library Policies for Visitors Technology & Computing Printing & Scanning Public Computers Visitor Privileges & Resources Alumni Resources Library Access Online Resource Access Shortcuts Quick Links ClinicalKey Ebook Collections EndNote Support FAQs GalterGuides NU Print Popular Databases PubMed Scopus Student Resources UpToDate Web of Science About Library Administration Mission & Organization Employment Opportunities Facts & Statistics Library Policies Connect News Support the Library Exhibits FAQs Our Heritage Library History Special Collections Contact General Feedback NU Affiliated Hospitals & Libraries Purchase Requests Staff Directory Find, Borrow, Request Search Tools Databases E-Journals Search Catalog Search Tips Borrow and Access Materials Borrowing Privileges Locations & Call Numbers Models & Equipment Easels & Poster Boards Document Delivery Course Reserves Request an Article or Book Research Services Classes & Consulting Take a Class Request a Consultation Find my Liaison Librarian Curriculum Support EndNote Support Specialized Services Systematic Reviews Metrics & Impact Publication Support Support for Clinicians Research Tools GalterGuides Biosciences & Bioinformatics Software on Library Computers Visit The Library Classrooms & Study Spaces Extended Hours Study Space Hours & Location New: Library Policies for Visitors Technology & Computing Printing & Scanning Public Computers Visitor Privileges & Resources Alumni Resources Library Access Online Resource Access Shortcuts Quick Links ClinicalKey Ebook Collections EndNote Support FAQs GalterGuides NU Print Popular Databases PubMed Scopus Student Resources UpToDate Web of Science More Home DigitalHub Metrics & Impact DataLab Giving Site Preferences Ask a Librarian My Galter My Galter × Update: Revised Library Hours, Services & Policy Updates, and COVID-19 Research Guide Find Borrow Request / Search Tools / Northwestern University Libraries LCSH/MeSH Mapping Project Northwestern University Libraries LCSH/MeSH Mapping Project Back to top PDF The LCSH/MeSH mapping project was begun at Northwestern University in 1990 and continues up to the present time. The goal of the project is to map corresponding LCSH and MeSH headings and enter the mapping data into 750, 780, and 788 linking entry fields in LCSH and MeSH authority records. We envision a number of possible uses for the mapping data such as: In OPACs the linking entry fields can be used to generate see also references between equivalent headings in the two systems. The mapping data can be used to assist catalogers in assigning subject headings, when only headings from one of the systems are present in a bibliographic record. The mapping data can be used by similar projects that are integrating multiple information languages, which need LCSH/MeSH mapping data for their systems. The scope of the mapping is limited as follows: Only topical headings are mapped. Personal and corporate name headings, and geographic headings are not mapped. Main heading/subheading combination headings are not mapped to corresponding main heading/subheading combinations. (e.g., the LCSH heading "Cancer--Treatment" is not mapped to its corresponding MeSH heading "Neoplasms--therapy".) On the other hand, main heading/subheading combinations are mapped to their corresponding MeSH phrase headings. (e.g., the LCSH combination heading "Kidneys--Disease" is mapped to its corresponding phrase heading "Kidney Diseases".) The authority records with the mapping data are available for download from DigitalHub, Galter's institutional repository. There are two .zip files of authority records: one in MARC binary format, and one in MARC XML. All of the records are in the MARC 21 Authority Format. In addition to the 750, 780, and 788 fields with the mapping data, the following local fields will be present in the authority records: 001 Field: Northwestern library management system record number 035 Field: In some records a Northwestern former library management system record number 550 Fields: In MeSH records with broader and narrower terms (generated from the MeSH tree numbers) 690 Field: In some records a local note The mapping data is kept current by staff of the Galter Health Sciences Library. They review the annual MeSH additions, changes, and deletions, and the weekly LCSH additions, changes, and deletions, and update the mapping data as needed. For a complete description of the project and more details about the authority records, see the article by Tony Olson and Gary Strawn: "Mapping the MeSH and LCSH Systems." Information Technology and Libraries, 16(1) (March 1997) p.5-19. Although the authority records have been reviewed for accuracy, there may still be errors. Also other users of these records may disagree with some of the mapping decisions that have been made. We welcome any questions, corrections, comments and suggestions for improvement. Please contact Tony Olson, Cataloging Librarian, with your queries. back to top   Updated: October 5, 2020 © 2020 Northwestern University Contact Northwestern University Careers Disclaimer Campus Emergency Information University Policies Northwestern University Feinberg School of Medicine Giving Galter Health Sciences Library & Learning Center 320 E. Superior Street, Chicago, IL 60611 312-503-8126 Contact Us Library Hours Facebook Twitter Instagram Home Search Journals DigitalHub Research Services Metrics and Impact GalterGuides Classes About News FAQs