{
    "query": {
        "category": "Mathematics",
        "publication_date": "1970-09",
        "nr_of_items": 1
    },
    "items": [
        {
            "title": "On The Foundations of Combinatorial Theory, Preliminary Edition",
            "subtitle": "Combinatorial Geometries",
            "author": "by Henry H. Crapo and Gian-Carlo Rota",
            "isbn": "9780262530163",
            "publisher": "MIT Press",
            "link_to_publisher": "https:\/\/mitpress.mit.edu\/9780262530163\/on-the-foundations-of-combinatorial-theory"
        }
    ]
}