{
    "query": {
        "category": "Economics",
        "publication_date": "1991-02",
        "nr_of_items": 6
    },
    "items": [
        {
            "title": "The Economic Theory of Product Differentiation",
            "subtitle": null,
            "author": "John Beath; Yannis Katsoulacos",
            "isbn": "9780521335522",
            "publisher": "Cambridge University Press",
            "link_to_publisher": "https:\/\/www.cambridge.org\/universitypress\/subjects\/economics\/industrial-economics\/economic-theory-product-differentiation?format=PB"
        },
        {
            "title": "Ergonomics, Health, and Safety",
            "subtitle": "Perspectives for the Nineties\u2014Festschrift for Paul Verhaegen",
            "author": "Edited by W. Singleton and J. Dirkx",
            "isbn": "9789061864677",
            "publisher": "Cornell University Press",
            "link_to_publisher": "https:\/\/www.cornellpress.cornell.edu\/book\/9789061864677\/ergonomics-health-and-safety\/"
        },
        {
            "title": "Exchange Rates and Inflation",
            "subtitle": null,
            "author": "by Rudiger Dornbusch",
            "isbn": "9780262540605",
            "publisher": "MIT Press",
            "link_to_publisher": "https:\/\/mitpress.mit.edu\/9780262540605\/exchange-rates-and-inflation"
        },
        {
            "title": "Between Feminism and Labor",
            "subtitle": "The Significance of the Comparable Worth Movement",
            "author": "Linda M. Blum",
            "isbn": "9780520072596",
            "publisher": "University of California Press",
            "link_to_publisher": "https:\/\/www.ucpress.edu\/books\/between-feminism-and-labor\/paper"
        },
        {
            "title": "Race and Schooling in the South, 1880-1950",
            "subtitle": "An Economic History",
            "author": "Margo, Robert A.",
            "isbn": "9780226505114",
            "publisher": "University of Chicago Press",
            "link_to_publisher": "https:\/\/press.uchicago.edu\/ucp\/books\/book\/chicago\/R\/bo3642306.html"
        },
        {
            "title": "Evolving Technology and Market Structure",
            "subtitle": "Studies in Schumpeterian Economics",
            "author": "Arnold Heertje & Mark Perlman",
            "isbn": "9780472101924",
            "publisher": "University of Michigan Press",
            "link_to_publisher": "https:\/\/press.umich.edu\/Books\/E\/Evolving-Technology-and-Market-Structure"
        }
    ]
}