NACLIN – National Convention on Knowledge, Library and Information Networking | DELNET

Raja Rammohun Roy Library Foundation (RRRLF) – Role, Objectives, Schemes & Importance

American Library Association (ALA) – History, Objectives, Structure & Contributions

Indian Library Association (ILA) – Role, Objectives & Activities

Information Science: Relationship with Other Subjects, Information Society & Knowledge Society

Communication – Concepts, Types, Theories, Models, Channels, Barriers & Trends in Scholarly Communication

Commissions and Bodies in India – Education, LIS, Media & Governance Overview

Trade Literature – Meaning, Types, Importance & Sources

Information Industry: Generators, Providers & Intermediaries Explained

Higher Education Commission of India (HECI): Vision, Structure & Impact on Indian Academia

IPR and Legal Issues: Categories, Conventions, Treaties & Indian Laws Explained

Plagiarism: Concept, Types, and How to Avoid It

Right to Information Act & IT Act – Key Features, Sections & LIS Relevance

📚 Classified Catalogue Code (CCC) by S. R. Ranganathan – A Fundamental Cataloguing Standard in Library Science

FRBR & Cataloguing Standards Quiz: Test Your Knowledge for UGC NET & LIS Exams

FRBR – Functional Requirements for Bibliographic Records

ISBD vs AACR vs MARC21 – A Comparative Study

Understanding ISBD – International Standard Bibliographic Description

AACR – Anglo-American Cataloguing Rule

AACR, or Anglo-American Cataloguing Rules, is a foundational cataloguing standard used by libraries around the world, especially in English-speaking countries. It provides detailed rules for the descriptive cataloguing of library materials and ensures uniformity across catalog entries.

📚 History and Versions

Version	Year	Notes
AACR	1967	First edition, US-UK collaboration
AACR2	1978	Widely adopted, structured around material type
AACR2R	2002	Revised version to address electronic resources
Replaced by	RDA	Resource Description and Access (2010 onwards)

🔍 Key Features of AACR2

• Guidelines for cataloguing books, serials, AV materials, maps, and digital content
• Uses ISBD punctuation for bibliographic consistency
• Focuses on card catalog structure but adaptable to MARC21 and OPAC systems
• Separates description and entry elements

🔁 AACR2 vs RDA – Key Differences

Aspect	AACR2	RDA
Development Basis	ISBD and the card catalog model	Based on FRBR & FRAD models
Resource Types	Format-based	Content-based, flexible for digital
Data Entry	Cataloger’s judgment-based	Structured metadata for interoperability
Used For	Print & early digital	Digital, linked data, web applications

✅ Why AACR Still Matters

• Foundation of modern cataloguing education
• Still in use where RDA is not adopted
• Core part of UGC NET, KVS, DSSSB, LIS syllabi

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📘 Delivery of Books and Newspapers (Public Libraries) Act, 1954