W skrócie

stdClass Object
(
    [LEADER] => 00915nab-a22002174u-4500
    [001] => Array
        (
            [0] => pl001062870
        )

    [005] => Array
        (
            [0] => 20170411
        )

    [008] => Array
        (
            [0] => 170411s2000----pl\\\\\\\\\\\\\\\\\\pol\\
        )

    [040] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => \
                    [ind2] => \
                    [code] => stdClass Object
                        (
                            [a] => IBL
                            [b] => pol
                        )

                )

        )

    [245] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => 1
                    [ind2] => 0
                    [code] => stdClass Object
                        (
                            [a] => W skrócie /
                            [c] => [no author]
                        )

                )

        )

    [380] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => \
                    [ind2] => \
                    [code] => stdClass Object
                        (
                            [i] => Major genre
                            [a] => Secondary literature
                            [l] => eng
                        )

                )

        )

    [520] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => 2
                    [ind2] => \
                    [code] => stdClass Object
                        (
                            [a] => not. o prapremierze operowej wersji sztuki w reżyserii Billa Brydena
                        )

                )

        )

    [600] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => 1
                    [ind2] => 4
                    [code] => stdClass Object
                        (
                            [a] => O'Casey, Seán
                            [d] => (1880-1964)
                            [1] => http://viaf.org/viaf/12319997
                        )

                )

        )

    [650] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => 0
                    [ind2] => 4
                    [code] => stdClass Object
                        (
                            [a] => Hasła osobowe (brytyjska i irlandzka)
                        )

                )

            [1] => stdClass Object
                (
                    [ind1] => 0
                    [ind2] => 4
                    [code] => stdClass Object
                        (
                            [a] => Literatury obce, Literatura brytyjska i irlandzka
                        )

                )

            [2] => stdClass Object
                (
                    [ind1] => \
                    [ind2] => 7
                    [code] => stdClass Object
                        (
                            [a] => British literature
                            [2] => ELB-n
                        )

                )

            [3] => stdClass Object
                (
                    [ind1] => \
                    [ind2] => 7
                    [code] => stdClass Object
                        (
                            [a] => Irish literature
                            [2] => ELB-n
                        )

                )

        )

    [655] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => \
                    [ind2] => 4
                    [code] => stdClass Object
                        (
                            [a] => Artykuł
                        )

                )

        )

    [773] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => 0
                    [ind2] => \
                    [code] => stdClass Object
                        (
                            [t] => Dialog [Warszawa]
                            [g] => R. 2000, nr 3, s. 188
                            [9] => 2000
                        )

                )

        )

    [856] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => 4
                    [ind2] => 2
                    [code] => stdClass Object
                        (
                            [u] => http://libri.ucl.cas.cz/Record/pl001062869
                            [y] => reference to: O'Casey Sean, Srebrny puchar [The Silver Tassie], 2000
                            [4] => N
                        )

                )

        )

    [995] => Array
        (
            [0] => stdClass Object
                (
                    [ind1] => \
                    [ind2] => \
                    [code] => stdClass Object
                        (
                            [a] => Polska Bibliografia Literacka
                            [b] => PBL 1989-2003: książki i czasopisma
                        )

                )

        )

)