Acarorum catalogus.

Sofia : Pensoft, 2008.

Aleocharine beetles (Coleoptera, Staphylinidae) of the province of Newfoundland and Labrador, Canada

Sofia, Bulgaria : Pensoft, 2011.

Amazon fish parasites

Thatcher, Vernon E. (Vernon Everett), 1929-
Sofia : PENSOFT, 2006.
2nd ed.

The amphibians of Belarus

Sofia : Pensoft, 2005.

An anecdotal history of nematology

Sofia, Bulgaria : Pensoft, 2008.

Annotated catalogue of the Ampulicidae, Sphecidae, and Crabronidae (Insecta: Hymenoptera) of Turkey

Ljubomirov, Toshko.
Sofia : Pensoft, 2008.

Annotated catalogue of the Carabid beetles of Albania (Coleoptera, Carabidae)

Guéorguiev, Borislav V.
Sofia : Pensoft, 2007.

Artenschutzprogramm für die Gekielte Smaragdlibelle (Oxygastra curtisii, Insecta, Odonata) in Deutsc

Sofia : Pensoft, 2007.

Aspects of palynology and palaeoecology : festschrift in honour of Elissaveta Bozilova

Sofia : Pensoft, 2003.

An atlas of the geographic distribution of the arvicoline rodents of the world (Rodentia, Muridae: A

Shenbrot, Georgy I., 1950-
Sofia : Pensoft, 2005.

Atlas of the millipedes (Diplopoda) of Britain and Ireland

Lee, Paul, myriapodologist.
Sofia : Pensoft, 2006.

Atlas of wood decaying fungi

Sofia, Bulgaria : Pensoft, 2009.

Atlas : ptit͡sy Moskvy i Podmoskovʹi͡a = Atlas : birds of Moscow City and the Moscow region

Kali͡akin, M. V.
Sofia : Pensoft, 2006.

Back to the roots and back to the future : towards a new synthesis amongst taxonomic, ecological and

European Carabidologists' Meeting (13th : 2007 : Blagoevgrad, Bulgaria)
Sofia : Pensoft, 2008.

Bengaliidae du monde (Insecta, Diptera)

Lehrer, Andy Z.
Sofia : Pensoft, 2005.

Bibliographia systematica Orthopterorum saltatoriorum = Systematic bibliography of saltatorial Ortho

Ingrisch, Sigfrid, 1949-
Sofia, Bulgaria : Pensoft, 2004.

Biodiversity in the balance : mitigation and adaptation conflicts and synergies

Sofia : Pensoft, [2009]

The birds of Azerbaijan

Patrikeev, Michael.
Sofia ; Moscow : Pensoft, 2004.
1999-2003 ed.

Boreal forest of Canada and Russia

Pruitt, William O., Jr. (William Obadiah), 1922-2009.
Sofia, Bulgaria : Pensoft, 2004.

Catalogue of aleocharine rove beetles of Canada and Alaska (Coleoptera, Staphylinidae, Aleocharinae)

Gouix, Nicolas.
Sofia : Pensoft, 2007.

Catalogue of the Malaysian Chrysomelidae (Insecta: Coleoptera)

Mohamedsaid, Mohamed S.
Sofia : Pensoft, 2004.

Cercidiphyllum and fossil allies : morphological interpretation and general problems of plant evolut

Krasilov, V. A. (Valentin Abramovich)
Sofia, Bulgaria : Pensoft, 2010.

Cercopid spittle bugs of the New World (Hemiptera, Auchenorrhyncha, Cercopidae)

Carvalho, Gervásio Silva.
Sofia : Pensoft, 2005.

Climatic risk atlas of European butterflies

Sofia, Bulgaria : Pensoft, [2008]

The Coleoptera of the Seychelles islands

Sofia, Bulgaria : Pensoft, 2009.

Contributions to systematics and biology of beetles : papers celebrating the 80th birthday of Igor K

Sofia : Pensoft, 2005.

The Diptera of the Seychelles Islands

Sofia : Pensoft, 2009.

Distribution and ecological preferences of European freshwater organisms.

Sofia : Pensoft, 2008.

A distributional atlas and catalogue of the leaf beetles of of Bulgaria (Coleoptera, Chrysomelidae)

Gruev, Blagoĭ.
Sofia : Pensoft, 2007.

Dragonflies and damselflies of South Africa

Samways, Michael J.
Sofia [Bulgaria] : Pensoft, 2008.
1st ed.

Ecological traits and genetic variation in Amazonian populations of the neotropical millipede Porati

Bergholz, Natalie G. R.
Sofia : Pensoft, 2007.

Ecology of the city of Sofia : species and communities in an urban environment

Sofia : Pensoft, 2004.

Evolution of the beetle hind wing, with special reference to folding (Insecta, Coleoptera)

Fedorenko, Dmitri N.
Sofia-Moscow : Pensoft, 2009.

Fish invasions of the Mediterranean Sea : change and renewal

Sofia : Pensoft, 2010.

Forests and dragonflies : fourth WDA International Symposium of Odonatology, Pontevedra (Spain), Jul

International Symposium of Odonatology.
Sofia : Pensoft, 2006.

Freshwater fishes of Iraq

Coad, Brian W.
Sofia : Pensoft, [2010]

Frogs of Australia

Turner, Jim, 1949-
Sofia : Pensoft, 2004.

The frogs of New Guinea and the Solomon Islands

Menzies, James.
Sofia, Bulgaria : Pensoft, 2006.

General distribution of the flea beetles in the Palaearctic subregion (Coleoptera, Chrysomelidae: Al

Gruev, Blagoĭ.
Sofia, Bulgaria : Pensoft, 2005.

The genesis of air power

Nedi͡alkov, Dimitŭr.
Sofia : Pensoft, 2004.

Le Genre Eurysternus Dalman, 1824 (Scarabaeidae: Scarabaeinae: Oniticellini), révision taxonomique e

Génier, François.
Sofia : Pensoft, [2009]

High-altitude : Isopoda, Arachnida and Myriapoda in the Old World

Beron, Petŭr, 1940-
Sofia : Pensoft, 2008.

Illustrated catalogue of the genus Carabus of the world (Coleoptera: Carabidae)

Deuve, Thierry.
Sofia : Pensoft, 2004.

Illustrated identification guide to adults and larvae of northeastern North American ground beetles

Bousquet, Yves, 1951-
Sofia : Pensoft, [2010]

Late Cretaceous (Turonian) flora of Southern Negev, Israel

Sofia : Pensoft, 2005.

The Lepidoptera of Israel.

Kravchenko, Vasiliy D.
Sofia : Pensoft, 2007.

Libélulas de las Yungas (Odonata) : una guía de campo para las especies de Argentina = Dragonflies o

Ellenrieder, Natalia von.
Sofia : Pensoft, 2007.

Les longicornes des Petites Antilles (Coleoptera, Cerambycidae) : taxonomie, éthologie, biogéographi

Chalumeau, Fortuné E.
Sofia : Pensoft, 2005.

Longicornios de Puerto Rico

Micheli, Julio A., 1937-2014.
[Sofia, Bulgaria] : Pensoft, [2010]

Mammals of Australia : [an introduction to their classification, biology and distribution]

Turner, Jim, 1949-
Sofia : Pensoft, 2004.