Contents: I. Introduction: Preface. 1. Genesis of edition I (1937). 2. Development of edition 2 (1957). 3. Development of edition 3 (1967). 4. Features of edition 3 (1967). II. Summary of Normative Principles: 1. List of normative principles. 2. List of canons. 3. List of postulates and principles for facet sequence. 4. List of principles for helpful sequence. 5. List of devices. III. Basic Concepts and Terminology of Classification: 1. Diagrammatic approach. 2. Entity and universe. 3. Division and group. 4. Assortment and class. 5. Array. Order of class and of array. 6. Chain of classes. 7. Measure of rank. 8. Filiatory sequence. 9. Analogy of family of Siddhas. 10. Analogy of sorting boxes. 11. Scheme of classes. 12. Scheme and schedule for classification. 13. Continuous infinite universe. 14. Meaning of classification. 15. Classificationist and classifier. 16. Terminology concerning ideas. 17. Sub-universe of isolates. 18. Species of classification for subjects. 19. Enumerative classification. 20. Almost-enumerative classification. 21. Almost-faceted classification. 22. Rigidly-faceted classification. 23. Freely-faceted classification. IV. Normative Principles: 1. Levels of normative principles. 2. Laws of library science. 3. Laws of interpretation. 4. Law of impartiality. 5. Law of symmetry. 6. Law of Parsimony. 7. Law of local variation. 8. Law of osmosis. V. Canons for Work in the Idea Plane: 1. Canons for idea plane. 2. Canons for characteristic. 3. Differentiation. 4. Relevance. 5. Ascertainability. 6. Permanence. 7. Canons for succession of characteristics. 8. Concomitance. 9. Relevant succession. 10. Consistent succession. 11. Canons for array. 12. Exhaustiveness. 13. Exclusiveness. 14. Helpful sequence. 15. Consistent sequence. 16. Canons for chain. 17. Decreasing extension. 18. Modulation. 19. Canons for filiatory sequence. VI. Principles for Helpful Sequence: 1. List of principles. 2. Later-in-time. 3. Later-in-evolution. 4. Spatial contiguity. 5. Quantitative measure. 6. Increasing complexity. 7. Canonical sequence. 8. Literary warrant. 9. Alphabetical sequence. VII. Canons for Work in the Verbal Plane: 1. Introduction. 2. Context. 3. Enumeration. 4. Currency. 5. Reticence. VIII. Notational Plane: 1. Need for notational system. 2. Qualities of notational system. 3. Terminology for notational system. 4. Capacity of notational systems. 5. Group notational system. IX. Canons for Work in the Notational Plane: 1. Introduction. 2. Synonym in the notational system. 3. Homonym in the notational system. 4. Relativity Vs uniformity. 5. Hierarchy Vs non-hierarchy. 6. Mixedness Vs purity. 7. Faceted Vs non-faceted notation. 8. Co-extensiveness Vs under-extensiveness. X. Canons for Mnemonics: 1. General mnemonics. 2. Alphabetical mnemonics. 3. Scheduled mnemonics. 4. Systematic mnemonics. 5. Seminal mnemonics. XI. Notational System for a Growing Universe: 1. Problem in the notational system for a growing universe. 2. Canons for hospitality in array. 3. Extrapolation in array. 4. Interpolation in array. 5. Canons for hospitality in chain. 6. Extrapolation in chain. 7. Interpolation in chain. XII. Planes of Work: 1. Three planes of work. 2. Work in the verbal plane. 3. Work in the notational plane. 4. Work in the idea plane. 5. Master and servant relation. XIII. Foci in an Array: 1. Five devices. 2. Chronological device. 3. Geographical device. 4. Subject device. 5. Alphabetical device. 6. Enumeration device. XIV. Formation, Structure and Development of Subjects: 1. Introduction. 2. Dissection. 3. Lamination. 4. Denudation. 5. Loose assemblage. 6. Superimposition. 7. Dichotomy. 8. Decachotomy. 9. Polychotomy. 10. Proliferation. 11. Grafting. 12. Development of the universe of subjects. XV. Classification as Transformation: 1. Parameter and dimension. 2. Analogy of transformation and mapping. 3. Mapping the universe of professors for one characteristic. 4. Mapping the universe of professors for two characteristics. 5. Mapping the universe of subjects. XVI. Analytico-Synthetic Classification (Idea Plane): 1. Work near seminal level. 2. Fundamental categories. 3. Basic facet of a compound subject. 4. Isolate facet of a compound subject. 5. Impersonation. 6. Personality versus matter. 7. Qualifier status. 8. Rounds of manifestation. 9. Levels of manifestation. 10. Facet sequence. 11. Whole, organ, and constituent. 12. Wall-picture principle for facet sequence. 13. Corollaries of wall-picture principle. 14. Wall-picture principle for superimposition. 15. Bond strength. 16. Kinds of common isolate ideas. XVII. Analytico-Synthetic Classification (Notational Plane): 1. Fixing ordinal values of connecting digits. 2. Classifying as translating. 3. Guidance and autonomy to classifier. 4. Notation for phase relation. 6. Hospitality among facets. 7. Hospitality among superimposed isolates. 8. Chain in one facet dimension. 9. Chain in two facet-dimensions. 10. Chain in three facet-dimensions. 11. Chain in many facet-dimensions. 12. Personality common isolate. 13. Risk in estimation of the length of notation. 14. Statistical approach. 15. Comparison of CC and DC numbers at book level. 16. CC and UDC numbers at micro subject level. 17. Wrong attitude. 18. Right attitude. XVIII. Quasi-subject and Subject-Bundle: 1. Universe of works. 2. Classic device. 3. Universe of documents. 4. Document as a Quasi subject. 5. Subject-bundle. XIX. Book Number: 1. Universe of books and forms of exposition. 2. Ultimate class and book number. 3. Individualisation by the name of author. 4. Individualisation by the year of publication. 5. Colon book number. XX. Use of Collection Number: 1. Collection formation. 2. Collection number. 3. Call number. XXI. Universal Vs Special Classification: 1. Personality of a subject. 2. Special classification Vs collection number. 3. Special classification Vs special entries in the catalogue. XXII. Reflections: 1. Computer and classification. 2. Innateness of classification. 3. Classification as a science. 4. Generalisation and abstraction. 5. Ripeness of library classification. 6. Tools and models. 7. Abstract classification. 8. Symbolisation. 9. Hidden roots of classification. 10. Organisation for a scheme for classification. 11. Problems for pursuit. Bibliographical references. Index.