1970

• de Jong, R., 1975. Notes on the genus Pyrgus (Lepidoptera, Hesperiidae). Zoologische Mededelingen 49(1): 1–18. Full article (PDF). Reference page. 

• de Jong, R., 1979. Revision of the Pyrgus alpinus group (Lepidoptera, Hesperiidae), with notes on phylogeny and character displacement. Zoologische Mededelingen 54(4): 53–82. Full article (PDF). Reference page. 

1990

• de Jong, R. & Treadaway, C.G. 1992. Revisional notes on Coladenia Moore, 1881 (Lepidoptera: Hesperiidae). Zoologische Mededelingen 66(15): 283-293. full article (PDF). Reference page. 

• Ackery, P.R., de Jong, R. & Vane-Wright, R.I. 1999. The Butterflies: Hedyloidea, Hesperioidea and Papilionoidea. in Lepidoptera, Moths and Butterflies. 1. Evolution, Systematics and Biogeography. Handbook of Zoology 4(35): 263–300 (ed. N.P. Kristensen). Berlin: de Gruyter. Reference page. 

2000

• Vane-Wright, R.I. & de Jong, R. 2003. The butterflies of Sulawesi: annotated checklist for a critical island fauna. Zoologische verhandelingen 343, 11.vii.2003: 3–267, figs 1–14, pls 1–16. PDF. Reference page. 

• Megens, van Nes, van Moorsel, Pierce & de Jong, 2004. Molecular phylogeny of the Oriental butterfly genus Arhopala (Lycaenidae, Theclinae) inferred from mitochondrial and nuclear genes. Systematic Entomology 29: 115-131. Reference page. 

• de Jong, R. 2006. Revision of the Oriental genus Odontoptilum de Nicéville (Lepidoptera: Hesperiidae: Pyrginae). Tijdschrift voor Entomologie 149(2): 145–159. PDF. DOI: 10.1163/22119434-900000194 Reference page. 

• de Jong, R., 2008. Notes on some skippers of the Taractrocera-group (Lepidoptera: Hesperiidae: Hesperiinae) from New Guinea. Zoologische Mededelingen 82(10): 1–16. Full article: . Reference page. 

2010

• de Jong, R. 2017. Fossil butterflies, calibration points and the molecular clock (Lepidoptera: Papilionoidea). Zootaxa 4270(1): 1–63. DOI: 10.11646/zootaxa.4270.1.1 . Reference page.