* [https://unimarc.org.ua/ifla/biblio2024/2024n1_1_0_UNIMARC_517_Other_variant_titles_552-554.pdf 517 Other variant titles // UNIMARC Bibliographic Format Manual. — IFLA, 2024. — No 1.1.0. — P. 552-554.] (англ.)** [https://unimarc.org.ua/ifla/biblio2023/2023n1_0_0_UNIMARC_517_Other_variant_titles_544-546.pdf 517 Other variant titles // UNIMARC Bibliographic Format Manual. — IFLA, 2023. — No 1.0.0. — P. 544–546.] (англ.)

* [httphttps://www.libtransition-bibliographique.bgfr/wp-content/uploads/prevodi2018/unimarc07/uni5B517-6-2011.html#pdf 517 517 Други варианти на заглавието– Autre variante du titre], СБИР (болг[https://web.archive.)* [org/web/2oe_/https://www.transition-bibliographique.fr/wp-content/uploads/2018/07/B517-6-2011.pdf 517 – Autre variante du titreархів] ) (mise à jour 2011), Bibliographic Transition in France (фр.)* [http://www.lib.bg/prevodi/unimarc/uni5.html#517 517 Други варианти на заглавието], ([https://web.archive.org/web/2oe_/http://www.lib.bg/prevodi/unimarc/uni5.html#517 архів]), СБИР (болг.)* [http://home.izum.si/izum/e-prirocniki/1_COMARC_B/517.pdf 517 Drugi variantni naslovi], ([https://web.archive.org/web/2oe_/http://home.izum.si/izum/e-prirocniki/1_COMARC_B/517.pdf архів]), IZUM (словен.)* [http://unimarc-it.wikidot.com/517 517 Altri titoli varianti (Ripetibile)], ([https://web.archive.org/web/2oe_/http://unimarc-it.wikidot.com/517 517 архів]), Unimarc-IT (італ.)* [http://rusmarc.ru/rusmarc/mf_det51.htm#b517 517 Другие варианты заглавия], ([https://web.archive.org/web/2oe_/http://rusmarc.ru/rusmarc/mf_det51.htm#b517 архів]), RUSMARC (рос.)* [https://www.nlb.by/content/bibliotekaryam/belmarc/belmarcnew/marker-zapisi-i-polya-dannykh-opisanie-poley/5-blok-vzaimosvyazannykh-zaglaviy/517-drugie-varianty-zaglaviya/ 517 Другие варианты заглавия], ([https://web.archive.org/web/2oe_/https://www.nlb.by/content/bibliotekaryam/belmarc/belmarcnew/marker-zapisi-i-polya-dannykh-opisanie-poley/5-blok-vzaimosvyazannykh-zaglaviy/517-drugie-varianty-zaglaviya/ архів]), BELMARC (рос.)