1975

• Koçak, A.Ö. 1975. A new species of genus Lysandra from Turkey (Lep. Lycaenidae). Atalanta 6(1): 31–34. PDF. Reference page. 

1977

• Koçak, A.Ö. 1977. Studies on the family Lycaenidae. Atalanta 8(1): 41–62. PDF. Reference page. 

1979

• Koçak, A.Ö. 1979. Studies on the family Lycaenidae II. New taxa and records from Turkey. Atalanta 10(4a): 309–325. PDF. Reference page. 

1981

• Koçak, A.Ö. 1981–1983. Critical Checklist of European Papilionoidea. Priamus 1(2): 46–90; 1(4): 155–167. Reference page. 

1996

• Koçak, A.Ö. 1996. Complementary notes on the publication titled "Carcasson's African Butterflies" (Lepidoptera). Cent. ent. Stud., Misc. Pap. 27/28: 1–16. Reference page. 

1999

• Koçak, A.Ö. 1999. [Description of a new Agrodiaetus Hbn. species from Central Anatolia (Lepidoptera, Lycaenidae).] Centre for Entomological Studies Ankara, Miscellaneous Papers 59: 3–7. [In Turkish.] Reference page. 

2001

• Koçak, A.Ö. & Kemal, M. 2001. [Studies on the Geography of the Lepidoptera 2. Studies on the taxonomy and the zoogeography of the butterflies of Kazachstan.] Priamus 10(3/4): 111–163. [In Uighur language, with Chinese and Turkish summaries]. Reference page. 

• Koçak, A.Ö. & Kemal, M. 2001. [A study on the biodiversity zoogeography and taxonomy of the Section Agrodiaetus in the genus Polyommatus Latr. (Lycaenidae, Lepidoptera)] Centre for Entomological Studies Ankara, Miscellaneous Papers 78/79: 1–11. [In Turkish.] Full article. Reference page. 

2005

• Koçak, A.Ö. & Kemal, M. 2005. Annotated Checklist of the Lepidoptera of Çatak Valley (Van Province, Turkey), Part I. Priamus 11(3): 29–58. Reference page. 

2006

• Koçak, A.Ö. & Kemal, M. 2006. Nomenclatural notes on various taxa of the moths (Lepidoptera). Cesa, Miscellaneous papers 91/92: 11–14. Reference page. 

• Koçak, A.Ö. & Kemal, M. 2006. Nomenclatural notes on various taxa of the moths (Lepidoptera). Cesa, Miscellaneous papers 139/140: 1–4. Reference page. 

2008

• Koçak, A.Ö. & Kemal, M. 2008. Nomenclatural notes on some genus-group names in the order Diptera. Centre for Entomological Studies Ankara miscellaneous papers 144: 1–3. Internet Archive Reference page. 

• Koçak, A.Ö. & Kemal, M. 2008. New synonyms and replacement names in the genus group taxa of Araneida. Centre for Entomological Studies Ankara miscellaneous papers 139–140: 1–4. Internet Archive Reference page. 

• Koçak, A.Ö. & Kemal, M. 2008. Notes on the nomenclature of some genus group names in Arthropoda. Centre for Entomological Studies Ankara miscellaneous papers, 138: 2. Internet Archive Reference page. 

• Koçak, A.Ö. & Kemal, M. 2008. Nomenclatural notes in the genus group taxa of Homoptera. Centre for Entomological Studies Ankara miscellaneous papers 139–140: 15. Internet Archive Reference page. 

2009

• Koçak, A.Ö. & Kemal, M. 2009. A replacement name in the family Trombiculidae in Acarina. Centre for Entomological Studies Ankara miscellaneous papers 147–148: 15–16. Internet Archive Reference page. 

• Koçak, A.Ö. & Kemal, M. 2009. Nomenclatural notes on some generic names of the superfamily Chalcidoidea (Hymenoptera). Centre for Entomological Studies Ankara miscellaneous papers 150: 5–6. Internet Archive Reference page. 

• Koçak, A.Ö. & Kemal, M. 2009. A replacement name in the genus Iridopsis from Brazil (Geometridae, Lepidoptera). Centre for Entomological Studies Ankara miscellaneous papers 147–148: 2. Internet Archive Reference page. 

2012

• Koçak, A.Ö. & Kemal, M. 2012. Nomenclatural Correction in the family Pentatomidae (Hemiptera). Cesa News 82: 14. ResearchGate .Reference page. 

2013

• Koçak, A.Ö. & Kemal, M. 2013. A nomenclatural note in the family Acroceridae (Diptera). Centre for Entomological Studies Ankara miscellaneous papers 159: 3–4. Internet Archive. Reference page. 

• Koçak, A.Ö. 2013. Nomenclatural notes in the family Lasiocampidae (Lepidoptera). Centre for Entomological Studies Ankara miscellaneous papers 160: 1–5. PDF. Reference page. 

• Kemal, M. & Koçak, A.Ö. 2013. Notes on the subgenus Polyommatus (Neolysandra) Koçak in East Turkey, with descriptions of new taxa (Lycaenidae, Lepidoptera). Centre for Entomological Studies Ankara miscellaneous papers 160: 5–6. Online. Reference page. 

2016

• Koçak, A.Ö. 2016. Nomenclatural notes on the genus Eupithecia Curtis (Lepidoptera, Geometridae). Cent. ent. Stud., Misc. Pap. 161: 16–17. Reference page. 

2018

• Kemal, M., Yıldız, İ, Kızıldağ, S., Uçak, H. & Koçak, A.Ö. 2018. Taxonomical and molecular evaluation of Apochima Agassiz in East Turkey, with a description of a new genus (Lepidoptera, Geometridae, Ennominae). Centre for Entomological Studies Ankara Miscellaneous Papers 169: 1–15. Reference page.