Blasi, C. (ed.): Ecological Information in Italy - Conoscenze naturalistiche in Italia. Ministero dell' Ambiente e della Tutela del Territorio; Societá Botanica Italiana, 2003

Bonnin, M. et al.: The Pan-European Ecological Network: taking stock. Council of Europe Publishing, 2007
Nature and environment: 146.

Boros, E.: Alkaline lakes. Authority for Nature Conservation, Ministry of Environment, 2003
National Ecological Network: 4.

Boros, E.; Ecsedi, Z.; Oláh, J.: Ecology and Management of Soda Pans in the Carpathian Basin. Hortobágy Environmental Association, 2013

Brad, I.; Miclea, I.: Fiica Dunarii si a marii. Editura Tineretului, 1966

Brändli, U.-B.; Dovhanych, Y.; Commarmot, B.: Virgin Forest of Uholka. Nature Guide to the Largest Virgin Beech Forest of Europe. A UNESCO World Heritage Site. Swiss Federal Institute for Forest, Snow and Landscape Research (WSL); Carpathian Biosphere Reserve, 2008

Brockington, D.; Duffy, R.; Igoe, J.: Nature Unbound. Conservation, Capitalism and the Future of Protected Areas. Earthscan, 2008

Brunner, R.: Parks for Life: Transboundary Protected Areas in Europe. IUCN/WCPA; IUCN/WCPA; IUCN/WCPA; IUCN/WCPA; IUCN/WCPA; IUCN/WCPA, 1999

Buka, L.; Gyarmathy, I.; Papp, L.: Landscape Protection Areas in Hajdú-Bihar County: South-Nyirség Wooded Plainland. Hortobágy National Park Diectorate, é. n.
Daru füzetek

Buka, L.; Gyarmathy, I.; Papp, L.: Landschaftsschutzgebiet Hajdúság. Waldpuszta von Süd-Nyírség. Landschaftsschutzverein Süd-Nyírség-Bihar, é. n.
Daru füzetek

Caputa, A.; Holcik, J.; Berger, Z.: Atlas chránenych zivocíchov Slovenska. Obzor, 1982
Edícia Obrázky z prírody

Cerovsky, J. (ed.): Biodiversity Conservation in Transboundary Protected Areas in Europe. Papers presented at the Pan-European Conference on [...]. Ecopoint Praha, 1996

Chloé, T.: blick.dicht. Kuriositäten und Schönheiten aus den sechs österreichischen Nationalparks. Kremayr & Scheriau, 2014

Chorney, I. I. et al: National Nature Park "Vyzhnytsky". Plant World. Phytosociocentre, 2005
National reserve territories of Ukraine. Plant world: 4.

Conners, J. A.: Shenandoah National Park. An Interpretive Guide. McDonald & Woodward Publishing, 1988

Correa, M. S.; Palo, H. Jr.: Brazil naturally. A 15 year mosaik of conservation histories. Fundacao O Boticário de Protecao á Natureza, 2006

Corrochano, V. R.: Guía de identificación de conchas y corales incluidos en el convenio de Washington (CITES). Ministerio de Economia y Hacienda, Secreraria de Estado de Comercio, Turismo y PYMES; Dirección General de Comercio Exterior, Autoridad Administrativa CITES Espana, é. n.

Csagoly, P. (ed.): The Cyanid Spill at Baia Mare, Romania. Before, during and after. Regional Environmental Center for Central and Eastern Europe, 2000

Deigele, C.: Natur und Mensch in Mitteleuropa im letzten Jahrtausend. Verlag Dr. Friedrich Pfeil, 2007
Rundgespräche der Kommission für Ökologie: 32.

Eckert, A.; Cremer, C.: Tourism and environment. Council of Europe, 1997
Questions and Answers: 3.