To solve the problem, we need to correctly match each item in List I with its corresponding counterpart in List II. Here's how we can do that:
- Subject Classification: This entry corresponds to the work done by J.D. Brown, who is known for his contributions to classification in library science. Therefore, a-iii is correct.
- Thesaurofacet: This is linked to J. Atchinson. Atchinson is recognized for his work in the development of thesauri and related features, commonly known as thesaurofacet. Therefore, b-i is correct.
- Classaurus: This is a concept introduced by G. Bhattacharya. The Classaurus is a tool for classification that incorporates a thesaurus in its approach. Hence, c-iv is correct.
- APUPA: This concept is attributed to S.R. Ranganathan. APUPA is part of his facet analysis in library classification. Thus, d-ii is correct.
After analyzing each point, we conclude that the correct match is: a-iii, b-i, c-iv, d-ii.