{
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        "category": "Mathematics",
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        {
            "title": "Differentiable Germs and Catastrophes",
            "subtitle": null,
            "author": "Theodor Br\u00f6cker; L. Lander",
            "isbn": "9780521206815",
            "publisher": "Cambridge University Press",
            "link_to_publisher": "https:\/\/www.cambridge.org\/universitypress\/subjects\/mathematics\/geometry-and-topology\/differentiable-germs-and-catastrophes?format=PB"
        },
        {
            "title": "History of Mathematical Logic from Leibniz to Peano",
            "subtitle": null,
            "author": "by N. I. Styazhkin",
            "isbn": "9780262690492",
            "publisher": "MIT Press",
            "link_to_publisher": "https:\/\/mitpress.mit.edu\/9780262690492\/history-of-mathematical-logic-from-leibniz-to-peano"
        }
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