Specialty Digest

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Archival boxes in a conservation archive, illustrating the appraisal of records for long-term retention

Archival Appraisal

Deciding What to Keep Forever Archival appraisal is the process of evaluating records to determine which deserve permanent preservation and which can eventually be destroyed, a task that directly shapes the historical record available to future researchers. Because no institution can realistically preserve everything indefinitely, appraisal decisions carry significant and lasting consequences. Criteria for Appraisal

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The process of evaluating records to determine which have enduring value and should be preserved permanently in an archive.

Archival materials arranged and described in a conservation archive collection

Archival Arrangement and Description

Turning Raw Records Into a Usable Collection Archival arrangement and description together make up the core processing work that transforms a newly received, often disorganized accession of records into an organized collection that researchers can actually use. Arrangement establishes structure, while description explains that structure and its contents to anyone who was not present when

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The combined archival processes of organizing records into a logical structure and creating documentation that explains their content and context.

Archival boxes stored on shelving, illustrating archival provenance and the organized retention of records

Archival Provenance

Keeping Records Together by Origin Archival provenance is the principle that records originating from a single creator, whether an individual, family, or organization, should be maintained as a distinct group rather than being broken apart and reorganized by subject matter. This foundational idea, sometimes called respect des fonds after its French origins, shapes how archives

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The principle that records should be kept together according to the person, family, or organization that created them, preserving the context of their origin.

A library card index file, illustrating the kind of controlled name and subject access that authority control maintains

Authority Control

Authority control is the practice of maintaining consistent, standardized forms of names, subjects, and titles across a library catalog, ensuring that every work by or about the same person, organization, place, or topic is linked together under one authorized heading rather than scattered across multiple inconsistent variants. An author name might appear differently across different

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Authority control is the practice of maintaining consistent, standardized forms of names, subjects, and titles across a library catalog so that all works by or about the same entity are reliably linked together.

A library reading room, illustrating the scholarly setting for bibliometric research

Bibliometrics

Measuring Scholarly Communication Quantitatively Bibliometrics applies quantitative methods to the study of publications, citations, and related patterns of scholarly communication, turning questions about research influence and trends into measurable data rather than subjective impression alone. Librarians, research administrators, and funding agencies all draw on bibliometric methods for different purposes. Common Indicators Citation counts, measuring how

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The quantitative study of publications, citations, and other scholarly communication patterns to measure research impact and trends.

A machine used to print and apply call number labels to library book spines

Call Number

A call number is the unique alphanumeric code assigned to a library item that indicates its subject classification and determines its specific physical location on the shelf, functioning as the practical address a patron or staff member uses to locate the item among a library entire collection. A call number typically combines two elements: a

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A call number is the unique alphanumeric code assigned to a library item that indicates its subject classification and determines its specific physical location on the shelf.

Cold storage caves used for federal records, illustrating secure custody of archival materials

Chain of Custody

Tracking Who Has Controlled a Record Chain of custody refers to the documented history of every person or institution that has had control over a record from the moment of its creation to its present location, establishing confidence that the record remains authentic and unaltered. This concept originated largely in legal and forensic contexts before

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The documented, unbroken record of who has had control over a set of records from their creation through to their current location.

Self service checkout kiosks illustrating modern circulation services

Circulation Services

Managing the Flow of Materials Circulation services cover the everyday transactions that move materials between a library shelf and a patron hands: checkouts, returns, renewals, and the holds that let a patron reserve an item currently on loan to someone else. For many visitors, the circulation desk is the most frequent point of direct contact

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The library function that manages the lending, return, and tracking of materials to and from patrons.

A tier of library book stacks, organized according to a classification scheme

Classification Scheme

A classification scheme is a structured system of categories used to organize library materials or information by subject, providing the underlying logical framework that determines how related items are grouped together and where they are physically located on the shelf. Every classification scheme must address the fundamental challenge that knowledge does not divide neatly into

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A classification scheme is a structured system of categories used to organize library materials or information by subject so that related items can be grouped and located systematically.

Library bookshelves illustrating a developed collection

Collection Development

What Collection Development Means Collection development is the deliberate work of shaping what a library owns or licenses so that its holdings match the needs of the community it serves. A public library branch in a small town and a university research library pursue very different collections, yet both rely on the same underlying discipline:

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The ongoing process by which libraries plan, select, acquire, and evaluate materials to build a collection that serves patron needs.