Böhm, H 2019, ‘Cross-border co-operation from the perspectives of political sciences’ in Transdisciplinary Discourses on Cross-Border Cooperation in Europe ed J Beck, Peter Lang, Brussels, pp. 59-82.
Burcher, T 1996, ‘The Sudeten German question and Czechoslovak-German relations since 1989‘, Whitehall Papers, vol. 34, no.1, The Royal United Services Institute, London.
Czetwertyński-Sytnik, L, Koziol, E & Mazurski, KR 2000. ‘Settlement and sustainability in the Polish Sudetes‘. GeoJournal, vol. 50, no. 2-3, pp. 273-284.
Dołzbłasz, S 2017. ‘From divided to shared spaces: Transborder tourism in the Polish-Czech borderlands‘ in Tourism and geopolitics: issues and concepts from Central and Eastern Europe, ed. Hall, D, CABI, Wallingford, Boston, pp. 163-177.
Dołzbłasz, S & Raczyk, A 2010, ‘The role of the integrating factor in the shaping of transborder co-operation: The case of Poland, Quaestiones Geographicae vol. 29, no. 4, pp. 65-73.
Jańczak, J 2014, ‘Borders and border dimensions in Europe. Between frontierisation and boundarisation’, Public Policy and Economic Development vol. 2, pp. 7-18.
Kolosov, VV 2015, ‘Theoretical approaches to border studies’ in Introduction to Border Studies eds SV Sevastianov, J Laine & AA Kireev, Far Eastern University, Vladivostok, pp. 33–61.
Kreisel, W 2004, ‘Geography of leisure and tourism research in the German-speaking world: Three pillars to progress‘, Tourism Geographies vol. 6, no. 2, pp. 163-185.
Miszewska, B 1994, ‘Przemiany ludnościowe na Dolnym Śląsku po II wojnie światowej‘ [‘Population changes in Lower Silesia after World War II‘]. in Przemiany ludnościowo-osadnicze i spoleczno-gospodarcze na Dolnym Śląsku po II wojnie światowej ed. J Loboda, Studia Geograficzne vol. LXI, Acta Univ. Wratislaviensis, Wrocław, pp. 51–69.
Murgaš, F 2019, ‘Can Easterlin’s paradox be applied to the development of satisfaction with life or does the explanation lie in cultural geographical characteristics?‘ Geografický časopis vol. 71, no. 1, pp. 3-14.
O’Dowd, L & Wilson, T 2002, ‘Frontiers of sovereignty in the new Europe’, in Borders of Europe ed. N Alkan, Bonn, Zentrum für Europäische Integrationsforschung, pp. 7-30.
Poser, H 1939, ‘Geographische Studien über den Fremdenverkehr in Riesengebirge: Ein Beitrag zur Geographischen Betrachung des Fremdenverkehrs’ [‘Geographical studies on tourism in Giant Mountains: contribution on geographical approach of tourism‘], Abhandlungen der Geselschaft d. Wissenschaften zu Göttingen vol. 20, no. 3.
Potocki, J 2004, Rozwój zagospodarowania turystycznego Sudetów od połowy XIX wieku do II wojny światowej [Development of touristic use of Sudetes from mid 19th century to World War II], Wydawnictwo Turystyczne Plan, Jelenia Góra.
Rychlik, J 2016, ‘Překračování hranic a emigrace v Československu a východní Evropě ve 20. století‘ [‘Border crossing and emigration in Czechoslovakia and Eastern Europe in 20th century‘], Securitas Imperii, vol. 29, no. 2, pp. 10-72.
Stryjakiewicz, T 1998, ‘The changing role of border zones in the transforming economies of East-Central Europe: The case of Poland‘, GeoJournal vol. 44, no. 3, pp. 203-213.
Wójcik, J 2014, ‘Granica państwowa w turystycznej przestrzeni Sudetów w latach 30. XX wieku w świetle niemieckojęzycznej prasy turystycznej‘ [‘National border in tourism space of Sudetes in 1930´s in the light of German-written tourism press‘], in Społeczeństwo w przestrzeni gór w XIX i XX wieku eds. T Przerwa, P Ziomek, K Manikowski & J Wójcik, Wyd. Studio ERGIEBE, Wrocław - Bielsko Biała, pp. 84-96.
Adolph, G & Bengler, A 1907, Vom Oybin bis zur Schneekoppe. Wegekarte vom Jeschken- und Isergebirge mit den angrenzenden Teilen des Lausitzer- und Riesengebirges [From Oybin to the Schneekoppe. Hiking maps of Ještěd and Jizera Mountain and adjacent parts of Lužice and Giant Mountains] [1 : 100 000], H. Rösslers Buchhandlung, Gablonz a.N., vol. 2, 990 × 520 mm.
Adolph, G 1927 (or 1929), Vom Oybin bis zur Schneekoppe: Wegekarte vom Lausitzer-Jeschken-Iser und Riesengebirge [From Oybin to the Schneekoppe. Hiking maps of Lužice and Ještěd-Jizera Mountain and Giant Mountains] [1 : 100 000], vol. 6, 990 × 520 mm.
Adolph, G 1939, Vom Oybin bis zur Schneekoppe: Wegekarte vom Lausitzer-Jeschken-Iser und Riesengebirge [From Oybin to the Schneekoppe. Hiking maps of Lužice and Ještěd-Jizera Mountain and Giant Mountains]. [1 : 100 000], vol. 7, 1032 × 499 mm.
Matouschek, J 1927, Spezialkarte vom Jeschken und Isergebirge [Special map of Ještěd and Jizera Mountain] [1 : 50 000]. 1 270 × 720 mm. Deutscher Gebirgsverein für das Jeschken und Isergebirge, Reichenberg/Liberec.
Šmída, J & Vrbík, D 2017, “Invisible” linguistic border on Ještěd Ridge - Interpretation of toponym Technical University of Liberec. Available from: <https://goo.gl/wDtKJp> [20 August 2018].