Donászy, E. (Ed.): Das Leben des Szelider Sees. Limnologische Studien an einem natriumkarbonat-chloridhaltigen See des Ungarischen Alföld. Akadémiai Kiadó, 1959

Drucker, G. R. F. (ed.): Innovative Financing Opportunities for European Biodiversity: towards implementing the Pan-European Biological and Landscape Diversity Strategy. European Centre for Nature Conservation, 2008

Dulk, J. A. den: The Interpretation of Remote Sensing, a feasibility study. é. n.

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

Ecsedi Zoltán; Oláh János; Zalai Tamás: Legeltetett szikes mocsarak ökológiája és kezelése a Hortobágyon = Ecology and Management of Grazing Soda Marshes in the Hortobágy. Hortobágy Természetvédelmi Egyesület, 2020

Éhik Gyula: Prodinotherium hungaricum n. g., n. sp. [Különlenyomat]. 1929

Ehleringer, J. R.; Field, J. R. (eds.): Scaling Physiological Process. Leaf to Globe. Academic Press, 1993
Physiological Ecology

Ehleringer, J. R.; Hall, A. E.; Farquhar, G. D. (eds.): Stable Isotopes and Plant Carbon - Water Relation. Academic Press, 1993
Physiological Ecology

Eichelmann, U. et al.: Au ja. Es wird Zeit für den Nationalpark. WWF Österreich, é. n.

Ekholm, J.; Kostet, S.; Salonen, H. (eds.): Finland's National Parks. Finnish Forest and Park Service, 1995

Ellul, A.: Tourism and the Environment in European Countries. Council of Europe Publishing, 2000
Nature and environment: 116.

Elzey, F. F.: An Introduction to Statistical Methods in the Behavioral Sciences. Brooks/Cole Publishing Company; Brooks/Cole Publishing Company, 1976

Emanuelsson, U.: The Rural Landscapes of Europe. How man has shaped European nature. The Swedish Research Council Formas, 2009

Engler, A. (ed.): Die natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten insbesondere den Nutzpflanzen. 2. Band. Peridinea (Dinoflagellatae); Diatomeae (Bacillariophyta); Myxomycetes. Wilhelm Engelmann, 1928

Entz Géza: Protozoen aus Neu Guinea. Magyar Tudományos Akadémia, 1898

Érdiné Szekeres Rozália: Progress report on the establishment of the National Ecological Network in Hungary. Authority for Nature Conservation, Ministry of Environment, 2002
National Ecological Network: 2.

Essl, F.; Rabitsch, W.: Austrian Action Plan on Invasive Alien Species. Federal Ministry of Agriculture, Forestry, Environment and Water Management, 2004

Faragó, T.; Kocsis-Kupper, Zs.: Accidental transboundary water pollution: Principles and provisions of the multilateral legal instruments. WWF Magyarország, 2001
WWF füzetek: 16. (E)

Faragó, T.; Nemes, Cs. (Eds.): Hungary: Strategy Plans, Initiatives and Actions for Sustainable Development. National information to the United Nations Commission on Sustainable Development and to the UN General Assembly Special Session on the implementation of Agenda 21. Hungarian Commission on Sustainable Development, 1997

Ferrante, M.; Conti, G. O.; Rasic-Milutinovic, Z.; Jovanovic, D.: Health Effects of Metals and Related Substances in Drinking Water. IWA Publishing, 2014
Research Report Series