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            "title": "An Introduction to Topological Groups",
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            "author": "P. J. Higgins",
            "isbn": "9780521205276",
            "publisher": "Cambridge University Press",
            "link_to_publisher": "https:\/\/www.cambridge.org\/universitypress\/subjects\/mathematics\/abstract-analysis\/introduction-topological-groups?format=PB"
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        {
            "title": "Collected Papers of Hans Rademacher",
            "subtitle": null,
            "author": "by Hans Rademacher",
            "isbn": "9780262070546",
            "publisher": "MIT Press",
            "link_to_publisher": "https:\/\/mitpress.mit.edu\/9780262070546\/collected-papers-of-hans-rademacher"
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